Home / 527,236.62-727,582.92-285,513.66

Finding the Fourth Proportional to 527,236.62, 727,582.92 and 285,513.66

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Solution

The fourth proportional to 527,236.62, 727,582.92 and 285,513.66 is: 394,006.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,236.62 : 727,582.92 = 285,513.66 : x
  2. Step 2: Convert to fraction form
    527,236.62/727,582.92 = 285,513.66/x
  3. Step 3: Cross multiply
    527,236.62x = 727,582.92 × 285,513.66
  4. Step 4: Simplify right side
    527,236.62x = 207,734,862,442.69
  5. Step 5: Solve for x
    x = 207,734,862,442.69/527,236.62
  6. Step 6: Final answer
    x = 394,006.89

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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.