Home / 752,089.46-1,128,023.21-219,467.48

Finding the Fourth Proportional to 752,089.46, 1,128,023.21 and 219,467.48

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Solution

The fourth proportional to 752,089.46, 1,128,023.21 and 219,467.48 is: 329,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,089.46 : 1,128,023.21 = 219,467.48 : x
  2. Step 2: Convert to fraction form
    752,089.46/1,128,023.21 = 219,467.48/x
  3. Step 3: Cross multiply
    752,089.46x = 1,128,023.21 × 219,467.48
  4. Step 4: Simplify right side
    752,089.46x = 247,564,406,188.76
  5. Step 5: Solve for x
    x = 247,564,406,188.76/752,089.46
  6. Step 6: Final answer
    x = 329,168.83

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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.