Home / 415,727.98-573,706.19-231,974.30

Finding the Fourth Proportional to 415,727.98, 573,706.19 and 231,974.30

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Solution

The fourth proportional to 415,727.98, 573,706.19 and 231,974.30 is: 320,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,727.98 : 573,706.19 = 231,974.30 : x
  2. Step 2: Convert to fraction form
    415,727.98/573,706.19 = 231,974.30/x
  3. Step 3: Cross multiply
    415,727.98x = 573,706.19 × 231,974.30
  4. Step 4: Simplify right side
    415,727.98x = 133,085,093,845.12
  5. Step 5: Solve for x
    x = 133,085,093,845.12/415,727.98
  6. Step 6: Final answer
    x = 320,125.42

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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.