Home / 588,619.92-812,311.05-330,517.47

Finding the Fourth Proportional to 588,619.92, 812,311.05 and 330,517.47

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Solution

The fourth proportional to 588,619.92, 812,311.05 and 330,517.47 is: 456,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,619.92 : 812,311.05 = 330,517.47 : x
  2. Step 2: Convert to fraction form
    588,619.92/812,311.05 = 330,517.47/x
  3. Step 3: Cross multiply
    588,619.92x = 812,311.05 × 330,517.47
  4. Step 4: Simplify right side
    588,619.92x = 268,482,993,099.04
  5. Step 5: Solve for x
    x = 268,482,993,099.04/588,619.92
  6. Step 6: Final answer
    x = 456,122.85

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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.