Home / 454,411.90-681,617.85-327,784.60

Finding the Fourth Proportional to 454,411.90, 681,617.85 and 327,784.60

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Solution

The fourth proportional to 454,411.90, 681,617.85 and 327,784.60 is: 491,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,411.90 : 681,617.85 = 327,784.60 : x
  2. Step 2: Convert to fraction form
    454,411.90/681,617.85 = 327,784.60/x
  3. Step 3: Cross multiply
    454,411.90x = 681,617.85 × 327,784.60
  4. Step 4: Simplify right side
    454,411.90x = 223,423,834,315.11
  5. Step 5: Solve for x
    x = 223,423,834,315.11/454,411.90
  6. Step 6: Final answer
    x = 491,676.90

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Similar ratio
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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.