Home / 527,913.05-791,861.33-128,553.14

Finding the Fourth Proportional to 527,913.05, 791,861.33 and 128,553.14

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Solution

The fourth proportional to 527,913.05, 791,861.33 and 128,553.14 is: 192,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,913.05 : 791,861.33 = 128,553.14 : x
  2. Step 2: Convert to fraction form
    527,913.05/791,861.33 = 128,553.14/x
  3. Step 3: Cross multiply
    527,913.05x = 791,861.33 × 128,553.14
  4. Step 4: Simplify right side
    527,913.05x = 101,796,262,717.11
  5. Step 5: Solve for x
    x = 101,796,262,717.11/527,913.05
  6. Step 6: Final answer
    x = 192,827.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.