Home / 625,022.35-862,531.09-338,541.55

Finding the Fourth Proportional to 625,022.35, 862,531.09 and 338,541.55

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Solution

The fourth proportional to 625,022.35, 862,531.09 and 338,541.55 is: 467,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,022.35 : 862,531.09 = 338,541.55 : x
  2. Step 2: Convert to fraction form
    625,022.35/862,531.09 = 338,541.55/x
  3. Step 3: Cross multiply
    625,022.35x = 862,531.09 × 338,541.55
  4. Step 4: Simplify right side
    625,022.35x = 292,002,612,131.79
  5. Step 5: Solve for x
    x = 292,002,612,131.79/625,022.35
  6. Step 6: Final answer
    x = 467,187.47

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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.