Home / 752,020.27-1,127,919.43-219,398.29

Finding the Fourth Proportional to 752,020.27, 1,127,919.43 and 219,398.29

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Solution

The fourth proportional to 752,020.27, 1,127,919.43 and 219,398.29 is: 329,065.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,020.27 : 1,127,919.43 = 219,398.29 : x
  2. Step 2: Convert to fraction form
    752,020.27/1,127,919.43 = 219,398.29/x
  3. Step 3: Cross multiply
    752,020.27x = 1,127,919.43 × 219,398.29
  4. Step 4: Simplify right side
    752,020.27x = 247,463,591,654.22
  5. Step 5: Solve for x
    x = 247,463,591,654.22/752,020.27
  6. Step 6: Final answer
    x = 329,065.06

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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.