Home / 657,531.32-986,286.24-208,251.52

Finding the Fourth Proportional to 657,531.32, 986,286.24 and 208,251.52

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Solution

The fourth proportional to 657,531.32, 986,286.24 and 208,251.52 is: 312,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,531.32 : 986,286.24 = 208,251.52 : x
  2. Step 2: Convert to fraction form
    657,531.32/986,286.24 = 208,251.52/x
  3. Step 3: Cross multiply
    657,531.32x = 986,286.24 × 208,251.52
  4. Step 4: Simplify right side
    657,531.32x = 205,395,608,635.09
  5. Step 5: Solve for x
    x = 205,395,608,635.09/657,531.32
  6. Step 6: Final answer
    x = 312,373.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.