Home / 527,424.11-727,848.77-285,706.70

Finding the Fourth Proportional to 527,424.11, 727,848.77 and 285,706.70

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Solution

The fourth proportional to 527,424.11, 727,848.77 and 285,706.70 is: 394,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,424.11 : 727,848.77 = 285,706.70 : x
  2. Step 2: Convert to fraction form
    527,424.11/727,848.77 = 285,706.70/x
  3. Step 3: Cross multiply
    527,424.11x = 727,848.77 × 285,706.70
  4. Step 4: Simplify right side
    527,424.11x = 207,951,270,175.76
  5. Step 5: Solve for x
    x = 207,951,270,175.76/527,424.11
  6. Step 6: Final answer
    x = 394,277.14

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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.