Home / 657,708.20-986,562.30-236,997.80

Finding the Fourth Proportional to 657,708.20, 986,562.30 and 236,997.80

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Solution

The fourth proportional to 657,708.20, 986,562.30 and 236,997.80 is: 355,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,708.20 : 986,562.30 = 236,997.80 : x
  2. Step 2: Convert to fraction form
    657,708.20/986,562.30 = 236,997.80/x
  3. Step 3: Cross multiply
    657,708.20x = 986,562.30 × 236,997.80
  4. Step 4: Simplify right side
    657,708.20x = 233,813,094,662.94
  5. Step 5: Solve for x
    x = 233,813,094,662.94/657,708.20
  6. Step 6: Final answer
    x = 355,496.70

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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.