Home / 415,022.94-572,759.52-231,290.04

Finding the Fourth Proportional to 415,022.94, 572,759.52 and 231,290.04

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Solution

The fourth proportional to 415,022.94, 572,759.52 and 231,290.04 is: 319,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,022.94 : 572,759.52 = 231,290.04 : x
  2. Step 2: Convert to fraction form
    415,022.94/572,759.52 = 231,290.04/x
  3. Step 3: Cross multiply
    415,022.94x = 572,759.52 × 231,290.04
  4. Step 4: Simplify right side
    415,022.94x = 132,473,572,291.18
  5. Step 5: Solve for x
    x = 132,473,572,291.18/415,022.94
  6. Step 6: Final answer
    x = 319,195.78

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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.