Home / 445,193.28-615,181.46-324,124.43

Finding the Fourth Proportional to 445,193.28, 615,181.46 and 324,124.43

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Solution

The fourth proportional to 445,193.28, 615,181.46 and 324,124.43 is: 447,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,193.28 : 615,181.46 = 324,124.43 : x
  2. Step 2: Convert to fraction form
    445,193.28/615,181.46 = 324,124.43/x
  3. Step 3: Cross multiply
    445,193.28x = 615,181.46 × 324,124.43
  4. Step 4: Simplify right side
    445,193.28x = 199,395,335,372.54
  5. Step 5: Solve for x
    x = 199,395,335,372.54/445,193.28
  6. Step 6: Final answer
    x = 447,884.87

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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.