Home / 458,538.27-687,826.04-116,990.57

Finding the Fourth Proportional to 458,538.27, 687,826.04 and 116,990.57

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Solution

The fourth proportional to 458,538.27, 687,826.04 and 116,990.57 is: 175,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,538.27 : 687,826.04 = 116,990.57 : x
  2. Step 2: Convert to fraction form
    458,538.27/687,826.04 = 116,990.57/x
  3. Step 3: Cross multiply
    458,538.27x = 687,826.04 × 116,990.57
  4. Step 4: Simplify right side
    458,538.27x = 80,469,156,456.36
  5. Step 5: Solve for x
    x = 80,469,156,456.36/458,538.27
  6. Step 6: Final answer
    x = 175,490.60

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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.