Home / 1,323,176.22-1,984,229.82-513,134.10

Finding the Fourth Proportional to 1,323,176.22, 1,984,229.82 and 513,134.10

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Solution

The fourth proportional to 1,323,176.22, 1,984,229.82 and 513,134.10 is: 769,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,176.22 : 1,984,229.82 = 513,134.10 : x
  2. Step 2: Convert to fraction form
    1,323,176.22/1,984,229.82 = 513,134.10/x
  3. Step 3: Cross multiply
    1,323,176.22x = 1,984,229.82 × 513,134.10
  4. Step 4: Simplify right side
    1,323,176.22x = 1,018,175,982,878.86
  5. Step 5: Solve for x
    x = 1,018,175,982,878.86/1,323,176.22
  6. Step 6: Final answer
    x = 769,493.86

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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.