Home / 752,473.01-1,129,078.53-353,146.25

Finding the Fourth Proportional to 752,473.01, 1,129,078.53 and 353,146.25

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Solution

The fourth proportional to 752,473.01, 1,129,078.53 and 353,146.25 is: 529,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,473.01 : 1,129,078.53 = 353,146.25 : x
  2. Step 2: Convert to fraction form
    752,473.01/1,129,078.53 = 353,146.25/x
  3. Step 3: Cross multiply
    752,473.01x = 1,129,078.53 × 353,146.25
  4. Step 4: Simplify right side
    752,473.01x = 398,729,843,179.62
  5. Step 5: Solve for x
    x = 398,729,843,179.62/752,473.01
  6. Step 6: Final answer
    x = 529,892.55

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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.