Home / 432,629.01-649,350.54-219,549.87

Finding the Fourth Proportional to 432,629.01, 649,350.54 and 219,549.87

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Solution

The fourth proportional to 432,629.01, 649,350.54 and 219,549.87 is: 329,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,629.01 : 649,350.54 = 219,549.87 : x
  2. Step 2: Convert to fraction form
    432,629.01/649,350.54 = 219,549.87/x
  3. Step 3: Cross multiply
    432,629.01x = 649,350.54 × 219,549.87
  4. Step 4: Simplify right side
    432,629.01x = 142,564,826,641.43
  5. Step 5: Solve for x
    x = 142,564,826,641.43/432,629.01
  6. Step 6: Final answer
    x = 329,531.36

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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.