Home / 632,140.43-872,282.18-374,025.29

Finding the Fourth Proportional to 632,140.43, 872,282.18 and 374,025.29

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Solution

The fourth proportional to 632,140.43, 872,282.18 and 374,025.29 is: 516,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,140.43 : 872,282.18 = 374,025.29 : x
  2. Step 2: Convert to fraction form
    632,140.43/872,282.18 = 374,025.29/x
  3. Step 3: Cross multiply
    632,140.43x = 872,282.18 × 374,025.29
  4. Step 4: Simplify right side
    632,140.43x = 326,255,591,909.99
  5. Step 5: Solve for x
    x = 326,255,591,909.99/632,140.43
  6. Step 6: Final answer
    x = 516,112.53

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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.