Home / 752,163.30-1,127,184.05-415,355.58

Finding the Fourth Proportional to 752,163.30, 1,127,184.05 and 415,355.58

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Solution

The fourth proportional to 752,163.30, 1,127,184.05 and 415,355.58 is: 622,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,163.30 : 1,127,184.05 = 415,355.58 : x
  2. Step 2: Convert to fraction form
    752,163.30/1,127,184.05 = 415,355.58/x
  3. Step 3: Cross multiply
    752,163.30x = 1,127,184.05 × 415,355.58
  4. Step 4: Simplify right side
    752,163.30x = 468,182,185,892.89
  5. Step 5: Solve for x
    x = 468,182,185,892.89/752,163.30
  6. Step 6: Final answer
    x = 622,447.53

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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.