Home / 657,280.90-985,921.35-236,502.10

Finding the Fourth Proportional to 657,280.90, 985,921.35 and 236,502.10

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Solution

The fourth proportional to 657,280.90, 985,921.35 and 236,502.10 is: 354,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,280.90 : 985,921.35 = 236,502.10 : x
  2. Step 2: Convert to fraction form
    657,280.90/985,921.35 = 236,502.10/x
  3. Step 3: Cross multiply
    657,280.90x = 985,921.35 × 236,502.10
  4. Step 4: Simplify right side
    657,280.90x = 233,172,469,709.84
  5. Step 5: Solve for x
    x = 233,172,469,709.84/657,280.90
  6. Step 6: Final answer
    x = 354,753.15

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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.