Home / 439,109.28-658,605.60-123,593.22

Finding the Fourth Proportional to 439,109.28, 658,605.60 and 123,593.22

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Solution

The fourth proportional to 439,109.28, 658,605.60 and 123,593.22 is: 185,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,109.28 : 658,605.60 = 123,593.22 : x
  2. Step 2: Convert to fraction form
    439,109.28/658,605.60 = 123,593.22/x
  3. Step 3: Cross multiply
    439,109.28x = 658,605.60 × 123,593.22
  4. Step 4: Simplify right side
    439,109.28x = 81,399,186,814.03
  5. Step 5: Solve for x
    x = 81,399,186,814.03/439,109.28
  6. Step 6: Final answer
    x = 185,373.42

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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.