Home / 657,249.40-985,874.10-236,470.60

Finding the Fourth Proportional to 657,249.40, 985,874.10 and 236,470.60

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Solution

The fourth proportional to 657,249.40, 985,874.10 and 236,470.60 is: 354,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,249.40 : 985,874.10 = 236,470.60 : x
  2. Step 2: Convert to fraction form
    657,249.40/985,874.10 = 236,470.60/x
  3. Step 3: Cross multiply
    657,249.40x = 985,874.10 × 236,470.60
  4. Step 4: Simplify right side
    657,249.40x = 233,130,239,951.46
  5. Step 5: Solve for x
    x = 233,130,239,951.46/657,249.40
  6. Step 6: Final answer
    x = 354,705.90

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Double scale
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Similar ratio
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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.