Home / 752,147.73-1,127,160.90-415,340.01

Finding the Fourth Proportional to 752,147.73, 1,127,160.90 and 415,340.01

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Solution

The fourth proportional to 752,147.73, 1,127,160.90 and 415,340.01 is: 622,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,147.73 : 1,127,160.90 = 415,340.01 : x
  2. Step 2: Convert to fraction form
    752,147.73/1,127,160.90 = 415,340.01/x
  3. Step 3: Cross multiply
    752,147.73x = 1,127,160.90 × 415,340.01
  4. Step 4: Simplify right side
    752,147.73x = 468,155,019,477.61
  5. Step 5: Solve for x
    x = 468,155,019,477.61/752,147.73
  6. Step 6: Final answer
    x = 622,424.29

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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.