Home / 481,726.20-664,662.06-277,839.48

Finding the Fourth Proportional to 481,726.20, 664,662.06 and 277,839.48

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Solution

The fourth proportional to 481,726.20, 664,662.06 and 277,839.48 is: 383,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,726.20 : 664,662.06 = 277,839.48 : x
  2. Step 2: Convert to fraction form
    481,726.20/664,662.06 = 277,839.48/x
  3. Step 3: Cross multiply
    481,726.20x = 664,662.06 × 277,839.48
  4. Step 4: Simplify right side
    481,726.20x = 184,669,361,126.13
  5. Step 5: Solve for x
    x = 184,669,361,126.13/481,726.20
  6. Step 6: Final answer
    x = 383,349.22

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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.