Home / 424,839.87-586,294.49-231,238.22

Finding the Fourth Proportional to 424,839.87, 586,294.49 and 231,238.22

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Solution

The fourth proportional to 424,839.87, 586,294.49 and 231,238.22 is: 319,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,839.87 : 586,294.49 = 231,238.22 : x
  2. Step 2: Convert to fraction form
    424,839.87/586,294.49 = 231,238.22/x
  3. Step 3: Cross multiply
    424,839.87x = 586,294.49 × 231,238.22
  4. Step 4: Simplify right side
    424,839.87x = 135,573,695,729.14
  5. Step 5: Solve for x
    x = 135,573,695,729.14/424,839.87
  6. Step 6: Final answer
    x = 319,117.17

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1.5x scale

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.