Home / 885,126.40-1,221,264.48-503,123.11

Finding the Fourth Proportional to 885,126.40, 1,221,264.48 and 503,123.11

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Solution

The fourth proportional to 885,126.40, 1,221,264.48 and 503,123.11 is: 694,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,126.40 : 1,221,264.48 = 503,123.11 : x
  2. Step 2: Convert to fraction form
    885,126.40/1,221,264.48 = 503,123.11/x
  3. Step 3: Cross multiply
    885,126.40x = 1,221,264.48 × 503,123.11
  4. Step 4: Simplify right side
    885,126.40x = 614,446,383,310.13
  5. Step 5: Solve for x
    x = 614,446,383,310.13/885,126.40
  6. Step 6: Final answer
    x = 694,190.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.