Home / 527,233.62-727,578.78-285,510.66

Finding the Fourth Proportional to 527,233.62, 727,578.78 and 285,510.66

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Solution

The fourth proportional to 527,233.62, 727,578.78 and 285,510.66 is: 394,002.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,233.62 : 727,578.78 = 285,510.66 : x
  2. Step 2: Convert to fraction form
    527,233.62/727,578.78 = 285,510.66/x
  3. Step 3: Cross multiply
    527,233.62x = 727,578.78 × 285,510.66
  4. Step 4: Simplify right side
    527,233.62x = 207,731,497,679.80
  5. Step 5: Solve for x
    x = 207,731,497,679.80/527,233.62
  6. Step 6: Final answer
    x = 394,002.75

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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.