Home / 657,277.40-985,916.10-236,498.60

Finding the Fourth Proportional to 657,277.40, 985,916.10 and 236,498.60

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Solution

The fourth proportional to 657,277.40, 985,916.10 and 236,498.60 is: 354,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,277.40 : 985,916.10 = 236,498.60 : x
  2. Step 2: Convert to fraction form
    657,277.40/985,916.10 = 236,498.60/x
  3. Step 3: Cross multiply
    657,277.40x = 985,916.10 × 236,498.60
  4. Step 4: Simplify right side
    657,277.40x = 233,167,777,367.46
  5. Step 5: Solve for x
    x = 233,167,777,367.46/657,277.40
  6. Step 6: Final answer
    x = 354,747.90

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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.