Home / 439,314.57-658,500.17-186,381.59

Finding the Fourth Proportional to 439,314.57, 658,500.17 and 186,381.59

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Solution

The fourth proportional to 439,314.57, 658,500.17 and 186,381.59 is: 279,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,314.57 : 658,500.17 = 186,381.59 : x
  2. Step 2: Convert to fraction form
    439,314.57/658,500.17 = 186,381.59/x
  3. Step 3: Cross multiply
    439,314.57x = 658,500.17 × 186,381.59
  4. Step 4: Simplify right side
    439,314.57x = 122,732,304,475.46
  5. Step 5: Solve for x
    x = 122,732,304,475.46/439,314.57
  6. Step 6: Final answer
    x = 279,372.26

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1.5x scale

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.