Home / 527,126.10-727,430.73-285,407.92

Finding the Fourth Proportional to 527,126.10, 727,430.73 and 285,407.92

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Solution

The fourth proportional to 527,126.10, 727,430.73 and 285,407.92 is: 393,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,126.10 : 727,430.73 = 285,407.92 : x
  2. Step 2: Convert to fraction form
    527,126.10/727,430.73 = 285,407.92/x
  3. Step 3: Cross multiply
    527,126.10x = 727,430.73 × 285,407.92
  4. Step 4: Simplify right side
    527,126.10x = 207,614,491,432.39
  5. Step 5: Solve for x
    x = 207,614,491,432.39/527,126.10
  6. Step 6: Final answer
    x = 393,861.15

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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.