The word(s) "proportion" appears 5 time(s) in 5 verse(s) in Quran in Muhammad Pickthal translation.

(1) That which ye have wasteth away, and that which Allah hath remaineth. And verily We shall pay those who are steadfast a recompense in proportion to the best of what they used to do.

(سورة النحل, An-Nahl, Chapter #16, Verse #96)
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(2) Whosoever doeth right, whether male or female, and is a believer, him verily we shall quicken with good life, and We shall pay them a recompense in proportion to the best of what they used to do.

(سورة النحل, An-Nahl, Chapter #16, Verse #97)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(3) Reward proportioned (to their evil deeds).

(سورة النبإ, An-Naba, Chapter #78, Verse #26)
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(4) From a drop of seed. He createth him and proportioneth him,

(سورة عبس, Abasa, Chapter #80, Verse #19)
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(5) Who created thee, then fashioned, then proportioned thee?

(سورة الإنفطار, Al-Infitaar, Chapter #82, Verse #7)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)