Home / 449,217.45-619,974.44-255,672.22

Finding the Fourth Proportional to 449,217.45, 619,974.44 and 255,672.22

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Solution

The fourth proportional to 449,217.45, 619,974.44 and 255,672.22 is: 352,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,217.45 : 619,974.44 = 255,672.22 : x
  2. Step 2: Convert to fraction form
    449,217.45/619,974.44 = 255,672.22/x
  3. Step 3: Cross multiply
    449,217.45x = 619,974.44 × 255,672.22
  4. Step 4: Simplify right side
    449,217.45x = 158,510,241,418.06
  5. Step 5: Solve for x
    x = 158,510,241,418.06/449,217.45
  6. Step 6: Final answer
    x = 352,858.60

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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.