Home / 627,984.40-942,034.20-207,261.20

Finding the Fourth Proportional to 627,984.40, 942,034.20 and 207,261.20

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Solution

The fourth proportional to 627,984.40, 942,034.20 and 207,261.20 is: 310,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,984.40 : 942,034.20 = 207,261.20 : x
  2. Step 2: Convert to fraction form
    627,984.40/942,034.20 = 207,261.20/x
  3. Step 3: Cross multiply
    627,984.40x = 942,034.20 × 207,261.20
  4. Step 4: Simplify right side
    627,984.40x = 195,247,138,733.04
  5. Step 5: Solve for x
    x = 195,247,138,733.04/627,984.40
  6. Step 6: Final answer
    x = 310,910.81

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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.