Home / 935,136.48-1,290,462.53-527,234.75

Finding the Fourth Proportional to 935,136.48, 1,290,462.53 and 527,234.75

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Solution

The fourth proportional to 935,136.48, 1,290,462.53 and 527,234.75 is: 727,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,136.48 : 1,290,462.53 = 527,234.75 : x
  2. Step 2: Convert to fraction form
    935,136.48/1,290,462.53 = 527,234.75/x
  3. Step 3: Cross multiply
    935,136.48x = 1,290,462.53 × 527,234.75
  4. Step 4: Simplify right side
    935,136.48x = 680,376,680,300.43
  5. Step 5: Solve for x
    x = 680,376,680,300.43/935,136.48
  6. Step 6: Final answer
    x = 727,569.39

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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.