Home / 724,136.30-1,086,204.45-473,461.10

Finding the Fourth Proportional to 724,136.30, 1,086,204.45 and 473,461.10

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Solution

The fourth proportional to 724,136.30, 1,086,204.45 and 473,461.10 is: 710,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,136.30 : 1,086,204.45 = 473,461.10 : x
  2. Step 2: Convert to fraction form
    724,136.30/1,086,204.45 = 473,461.10/x
  3. Step 3: Cross multiply
    724,136.30x = 1,086,204.45 × 473,461.10
  4. Step 4: Simplify right side
    724,136.30x = 514,275,553,721.90
  5. Step 5: Solve for x
    x = 514,275,553,721.90/724,136.30
  6. Step 6: Final answer
    x = 710,191.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.