Home / 657,182.80-985,774.20-236,306.80

Finding the Fourth Proportional to 657,182.80, 985,774.20 and 236,306.80

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Solution

The fourth proportional to 657,182.80, 985,774.20 and 236,306.80 is: 354,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,182.80 : 985,774.20 = 236,306.80 : x
  2. Step 2: Convert to fraction form
    657,182.80/985,774.20 = 236,306.80/x
  3. Step 3: Cross multiply
    657,182.80x = 985,774.20 × 236,306.80
  4. Step 4: Simplify right side
    657,182.80x = 232,945,146,724.56
  5. Step 5: Solve for x
    x = 232,945,146,724.56/657,182.80
  6. Step 6: Final answer
    x = 354,460.20

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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.