Home / 752,108.04-1,128,241.16-219,630.56

Finding the Fourth Proportional to 752,108.04, 1,128,241.16 and 219,630.56

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Solution

The fourth proportional to 752,108.04, 1,128,241.16 and 219,630.56 is: 329,468.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,108.04 : 1,128,241.16 = 219,630.56 : x
  2. Step 2: Convert to fraction form
    752,108.04/1,128,241.16 = 219,630.56/x
  3. Step 3: Cross multiply
    752,108.04x = 1,128,241.16 × 219,630.56
  4. Step 4: Simplify right side
    752,108.04x = 247,796,237,785.85
  5. Step 5: Solve for x
    x = 247,796,237,785.85/752,108.04
  6. Step 6: Final answer
    x = 329,468.94

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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.