Home / 449,066.10-673,599.15-443,161.20

Finding the Fourth Proportional to 449,066.10, 673,599.15 and 443,161.20

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Solution

The fourth proportional to 449,066.10, 673,599.15 and 443,161.20 is: 664,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,066.10 : 673,599.15 = 443,161.20 : x
  2. Step 2: Convert to fraction form
    449,066.10/673,599.15 = 443,161.20/x
  3. Step 3: Cross multiply
    449,066.10x = 673,599.15 × 443,161.20
  4. Step 4: Simplify right side
    449,066.10x = 298,513,007,632.98
  5. Step 5: Solve for x
    x = 298,513,007,632.98/449,066.10
  6. Step 6: Final answer
    x = 664,741.80

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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.