Home / 752,947.10-1,129,338-220,473.32

Finding the Fourth Proportional to 752,947.10, 1,129,338 and 220,473.32

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Solution

The fourth proportional to 752,947.10, 1,129,338 and 220,473.32 is: 330,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,947.10 : 1,129,338 = 220,473.32 : x
  2. Step 2: Convert to fraction form
    752,947.10/1,129,338 = 220,473.32/x
  3. Step 3: Cross multiply
    752,947.10x = 1,129,338 × 220,473.32
  4. Step 4: Simplify right side
    752,947.10x = 248,988,898,262.16
  5. Step 5: Solve for x
    x = 248,988,898,262.16/752,947.10
  6. Step 6: Final answer
    x = 330,685.78

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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.