Home / 656,943.40-985,415.10-236,164.60

Finding the Fourth Proportional to 656,943.40, 985,415.10 and 236,164.60

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Solution

The fourth proportional to 656,943.40, 985,415.10 and 236,164.60 is: 354,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,943.40 : 985,415.10 = 236,164.60 : x
  2. Step 2: Convert to fraction form
    656,943.40/985,415.10 = 236,164.60/x
  3. Step 3: Cross multiply
    656,943.40x = 985,415.10 × 236,164.60
  4. Step 4: Simplify right side
    656,943.40x = 232,720,162,925.46
  5. Step 5: Solve for x
    x = 232,720,162,925.46/656,943.40
  6. Step 6: Final answer
    x = 354,246.90

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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.