Home / 422,052.05-582,487.29-240,722.42

Finding the Fourth Proportional to 422,052.05, 582,487.29 and 240,722.42

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Solution

The fourth proportional to 422,052.05, 582,487.29 and 240,722.42 is: 332,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,052.05 : 582,487.29 = 240,722.42 : x
  2. Step 2: Convert to fraction form
    422,052.05/582,487.29 = 240,722.42/x
  3. Step 3: Cross multiply
    422,052.05x = 582,487.29 × 240,722.42
  4. Step 4: Simplify right side
    422,052.05x = 140,217,747,155.61
  5. Step 5: Solve for x
    x = 140,217,747,155.61/422,052.05
  6. Step 6: Final answer
    x = 332,228.57

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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.