Home / 896,305.20-1,344,198.60-327,620.40

Finding the Fourth Proportional to 896,305.20, 1,344,198.60 and 327,620.40

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Solution

The fourth proportional to 896,305.20, 1,344,198.60 and 327,620.40 is: 491,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,305.20 : 1,344,198.60 = 327,620.40 : x
  2. Step 2: Convert to fraction form
    896,305.20/1,344,198.60 = 327,620.40/x
  3. Step 3: Cross multiply
    896,305.20x = 1,344,198.60 × 327,620.40
  4. Step 4: Simplify right side
    896,305.20x = 440,386,883,011.44
  5. Step 5: Solve for x
    x = 440,386,883,011.44/896,305.20
  6. Step 6: Final answer
    x = 491,335.86

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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.