Home / 632,139.18-872,280.46-374,024.04

Finding the Fourth Proportional to 632,139.18, 872,280.46 and 374,024.04

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Solution

The fourth proportional to 632,139.18, 872,280.46 and 374,024.04 is: 516,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,139.18 : 872,280.46 = 374,024.04 : x
  2. Step 2: Convert to fraction form
    632,139.18/872,280.46 = 374,024.04/x
  3. Step 3: Cross multiply
    632,139.18x = 872,280.46 × 374,024.04
  4. Step 4: Simplify right side
    632,139.18x = 326,253,861,662.26
  5. Step 5: Solve for x
    x = 326,253,861,662.26/632,139.18
  6. Step 6: Final answer
    x = 516,110.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.