Home / 624,399.46-861,672.30-337,919.80

Finding the Fourth Proportional to 624,399.46, 861,672.30 and 337,919.80

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Solution

The fourth proportional to 624,399.46, 861,672.30 and 337,919.80 is: 466,329.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,399.46 : 861,672.30 = 337,919.80 : x
  2. Step 2: Convert to fraction form
    624,399.46/861,672.30 = 337,919.80/x
  3. Step 3: Cross multiply
    624,399.46x = 861,672.30 × 337,919.80
  4. Step 4: Simplify right side
    624,399.46x = 291,176,131,281.54
  5. Step 5: Solve for x
    x = 291,176,131,281.54/624,399.46
  6. Step 6: Final answer
    x = 466,329.89

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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.