Home / 451,828.04-677,721.56-199,040.98

Finding the Fourth Proportional to 451,828.04, 677,721.56 and 199,040.98

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Solution

The fourth proportional to 451,828.04, 677,721.56 and 199,040.98 is: 298,552.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,828.04 : 677,721.56 = 199,040.98 : x
  2. Step 2: Convert to fraction form
    451,828.04/677,721.56 = 199,040.98/x
  3. Step 3: Cross multiply
    451,828.04x = 677,721.56 × 199,040.98
  4. Step 4: Simplify right side
    451,828.04x = 134,894,363,469.53
  5. Step 5: Solve for x
    x = 134,894,363,469.53/451,828.04
  6. Step 6: Final answer
    x = 298,552.44

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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.