Home / 454,971.10-682,456.65-449,066.20

Finding the Fourth Proportional to 454,971.10, 682,456.65 and 449,066.20

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Solution

The fourth proportional to 454,971.10, 682,456.65 and 449,066.20 is: 673,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,971.10 : 682,456.65 = 449,066.20 : x
  2. Step 2: Convert to fraction form
    454,971.10/682,456.65 = 449,066.20/x
  3. Step 3: Cross multiply
    454,971.10x = 682,456.65 × 449,066.20
  4. Step 4: Simplify right side
    454,971.10x = 306,468,214,480.23
  5. Step 5: Solve for x
    x = 306,468,214,480.23/454,971.10
  6. Step 6: Final answer
    x = 673,599.30

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Similar ratio
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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.