Home / 412,137.06-568,943.94-276,259.78

Finding the Fourth Proportional to 412,137.06, 568,943.94 and 276,259.78

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Solution

The fourth proportional to 412,137.06, 568,943.94 and 276,259.78 is: 381,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,137.06 : 568,943.94 = 276,259.78 : x
  2. Step 2: Convert to fraction form
    412,137.06/568,943.94 = 276,259.78/x
  3. Step 3: Cross multiply
    412,137.06x = 568,943.94 × 276,259.78
  4. Step 4: Simplify right side
    412,137.06x = 157,176,327,310.35
  5. Step 5: Solve for x
    x = 157,176,327,310.35/412,137.06
  6. Step 6: Final answer
    x = 381,369.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.