Home / 527,262.24-727,622.56-285,545.20

Finding the Fourth Proportional to 527,262.24, 727,622.56 and 285,545.20

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Solution

The fourth proportional to 527,262.24, 727,622.56 and 285,545.20 is: 394,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,262.24 : 727,622.56 = 285,545.20 : x
  2. Step 2: Convert to fraction form
    527,262.24/727,622.56 = 285,545.20/x
  3. Step 3: Cross multiply
    527,262.24x = 727,622.56 × 285,545.20
  4. Step 4: Simplify right side
    527,262.24x = 207,769,129,419.71
  5. Step 5: Solve for x
    x = 207,769,129,419.71/527,262.24
  6. Step 6: Final answer
    x = 394,052.74

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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.