Home / 654,715.92-982,069.92-168,397.20

Finding the Fourth Proportional to 654,715.92, 982,069.92 and 168,397.20

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Solution

The fourth proportional to 654,715.92, 982,069.92 and 168,397.20 is: 252,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,715.92 : 982,069.92 = 168,397.20 : x
  2. Step 2: Convert to fraction form
    654,715.92/982,069.92 = 168,397.20/x
  3. Step 3: Cross multiply
    654,715.92x = 982,069.92 × 168,397.20
  4. Step 4: Simplify right side
    654,715.92x = 165,377,824,732.22
  5. Step 5: Solve for x
    x = 165,377,824,732.22/654,715.92
  6. Step 6: Final answer
    x = 252,594.78

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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.