Home / 449,115.41-619,883.46-296,181.20

Finding the Fourth Proportional to 449,115.41, 619,883.46 and 296,181.20

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Solution

The fourth proportional to 449,115.41, 619,883.46 and 296,181.20 is: 408,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,115.41 : 619,883.46 = 296,181.20 : x
  2. Step 2: Convert to fraction form
    449,115.41/619,883.46 = 296,181.20/x
  3. Step 3: Cross multiply
    449,115.41x = 619,883.46 × 296,181.20
  4. Step 4: Simplify right side
    449,115.41x = 183,597,823,943.54
  5. Step 5: Solve for x
    x = 183,597,823,943.54/449,115.41
  6. Step 6: Final answer
    x = 408,798.77

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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.