Home / 424,839.68-586,294.22-231,238.03

Finding the Fourth Proportional to 424,839.68, 586,294.22 and 231,238.03

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Solution

The fourth proportional to 424,839.68, 586,294.22 and 231,238.03 is: 319,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,839.68 : 586,294.22 = 231,238.03 : x
  2. Step 2: Convert to fraction form
    424,839.68/586,294.22 = 231,238.03/x
  3. Step 3: Cross multiply
    424,839.68x = 586,294.22 × 231,238.03
  4. Step 4: Simplify right side
    424,839.68x = 135,573,517,501.72
  5. Step 5: Solve for x
    x = 135,573,517,501.72/424,839.68
  6. Step 6: Final answer
    x = 319,116.89

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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.