Home / 657,119.40-985,679.10-236,340.60

Finding the Fourth Proportional to 657,119.40, 985,679.10 and 236,340.60

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Solution

The fourth proportional to 657,119.40, 985,679.10 and 236,340.60 is: 354,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,119.40 : 985,679.10 = 236,340.60 : x
  2. Step 2: Convert to fraction form
    657,119.40/985,679.10 = 236,340.60/x
  3. Step 3: Cross multiply
    657,119.40x = 985,679.10 × 236,340.60
  4. Step 4: Simplify right side
    657,119.40x = 232,955,989,901.46
  5. Step 5: Solve for x
    x = 232,955,989,901.46/657,119.40
  6. Step 6: Final answer
    x = 354,510.90

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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.