Home / 445,194.28-615,182.84-324,125.43

Finding the Fourth Proportional to 445,194.28, 615,182.84 and 324,125.43

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Solution

The fourth proportional to 445,194.28, 615,182.84 and 324,125.43 is: 447,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,194.28 : 615,182.84 = 324,125.43 : x
  2. Step 2: Convert to fraction form
    445,194.28/615,182.84 = 324,125.43/x
  3. Step 3: Cross multiply
    445,194.28x = 615,182.84 × 324,125.43
  4. Step 4: Simplify right side
    445,194.28x = 199,396,402,543.62
  5. Step 5: Solve for x
    x = 199,396,402,543.62/445,194.28
  6. Step 6: Final answer
    x = 447,886.26

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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.