Home / 576,204.10-863,204.55-309,876.10

Finding the Fourth Proportional to 576,204.10, 863,204.55 and 309,876.10

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Solution

The fourth proportional to 576,204.10, 863,204.55 and 309,876.10 is: 464,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,204.10 : 863,204.55 = 309,876.10 : x
  2. Step 2: Convert to fraction form
    576,204.10/863,204.55 = 309,876.10/x
  3. Step 3: Cross multiply
    576,204.10x = 863,204.55 × 309,876.10
  4. Step 4: Simplify right side
    576,204.10x = 267,486,459,456.26
  5. Step 5: Solve for x
    x = 267,486,459,456.26/576,204.10
  6. Step 6: Final answer
    x = 464,221.72

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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.