Home / 527,658.05-791,478.68-167,823.72

Finding the Fourth Proportional to 527,658.05, 791,478.68 and 167,823.72

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Solution

The fourth proportional to 527,658.05, 791,478.68 and 167,823.72 is: 251,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,658.05 : 791,478.68 = 167,823.72 : x
  2. Step 2: Convert to fraction form
    527,658.05/791,478.68 = 167,823.72/x
  3. Step 3: Cross multiply
    527,658.05x = 791,478.68 × 167,823.72
  4. Step 4: Simplify right side
    527,658.05x = 132,828,895,539.17
  5. Step 5: Solve for x
    x = 132,828,895,539.17/527,658.05
  6. Step 6: Final answer
    x = 251,732.91

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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.