Home / 441,050.40-661,921.20-204,422.40

Finding the Fourth Proportional to 441,050.40, 661,921.20 and 204,422.40

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Solution

The fourth proportional to 441,050.40, 661,921.20 and 204,422.40 is: 306,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,050.40 : 661,921.20 = 204,422.40 : x
  2. Step 2: Convert to fraction form
    441,050.40/661,921.20 = 204,422.40/x
  3. Step 3: Cross multiply
    441,050.40x = 661,921.20 × 204,422.40
  4. Step 4: Simplify right side
    441,050.40x = 135,311,520,314.88
  5. Step 5: Solve for x
    x = 135,311,520,314.88/441,050.40
  6. Step 6: Final answer
    x = 306,793.78

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1.5x scale

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.