Home / 527,154.06-727,472.91-285,436.74

Finding the Fourth Proportional to 527,154.06, 727,472.91 and 285,436.74

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Solution

The fourth proportional to 527,154.06, 727,472.91 and 285,436.74 is: 393,902.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,154.06 : 727,472.91 = 285,436.74 : x
  2. Step 2: Convert to fraction form
    527,154.06/727,472.91 = 285,436.74/x
  3. Step 3: Cross multiply
    527,154.06x = 727,472.91 × 285,436.74
  4. Step 4: Simplify right side
    527,154.06x = 207,647,495,868.71
  5. Step 5: Solve for x
    x = 207,647,495,868.71/527,154.06
  6. Step 6: Final answer
    x = 393,902.87

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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.