Home / 525,528.38-725,229.11-283,810.92

Finding the Fourth Proportional to 525,528.38, 725,229.11 and 283,810.92

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Solution

The fourth proportional to 525,528.38, 725,229.11 and 283,810.92 is: 391,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,528.38 : 725,229.11 = 283,810.92 : x
  2. Step 2: Convert to fraction form
    525,528.38/725,229.11 = 283,810.92/x
  3. Step 3: Cross multiply
    525,528.38x = 725,229.11 × 283,810.92
  4. Step 4: Simplify right side
    525,528.38x = 205,827,939,500.83
  5. Step 5: Solve for x
    x = 205,827,939,500.83/525,528.38
  6. Step 6: Final answer
    x = 391,659.04

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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.