Home / 731,642.80-1,097,464.20-702,118.30

Finding the Fourth Proportional to 731,642.80, 1,097,464.20 and 702,118.30

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Solution

The fourth proportional to 731,642.80, 1,097,464.20 and 702,118.30 is: 1,053,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,642.80 : 1,097,464.20 = 702,118.30 : x
  2. Step 2: Convert to fraction form
    731,642.80/1,097,464.20 = 702,118.30/x
  3. Step 3: Cross multiply
    731,642.80x = 1,097,464.20 × 702,118.30
  4. Step 4: Simplify right side
    731,642.80x = 770,549,698,414.86
  5. Step 5: Solve for x
    x = 770,549,698,414.86/731,642.80
  6. Step 6: Final answer
    x = 1,053,177.45

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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.