Home / 527,226.27-727,572.65-285,509.11

Finding the Fourth Proportional to 527,226.27, 727,572.65 and 285,509.11

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Solution

The fourth proportional to 527,226.27, 727,572.65 and 285,509.11 is: 394,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,226.27 : 727,572.65 = 285,509.11 : x
  2. Step 2: Convert to fraction form
    527,226.27/727,572.65 = 285,509.11/x
  3. Step 3: Cross multiply
    527,226.27x = 727,572.65 × 285,509.11
  4. Step 4: Simplify right side
    527,226.27x = 207,728,619,761.84
  5. Step 5: Solve for x
    x = 207,728,619,761.84/527,226.27
  6. Step 6: Final answer
    x = 394,002.79

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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.