Home / 1,843,321.78-2,765,449.20-513,625.78

Finding the Fourth Proportional to 1,843,321.78, 2,765,449.20 and 513,625.78

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Solution

The fourth proportional to 1,843,321.78, 2,765,449.20 and 513,625.78 is: 770,568.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,321.78 : 2,765,449.20 = 513,625.78 : x
  2. Step 2: Convert to fraction form
    1,843,321.78/2,765,449.20 = 513,625.78/x
  3. Step 3: Cross multiply
    1,843,321.78x = 2,765,449.20 × 513,625.78
  4. Step 4: Simplify right side
    1,843,321.78x = 1,420,406,002,400.38
  5. Step 5: Solve for x
    x = 1,420,406,002,400.38/1,843,321.78
  6. Step 6: Final answer
    x = 770,568.66

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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.