Home / 445,712.36-667,939.92-246,122.60

Finding the Fourth Proportional to 445,712.36, 667,939.92 and 246,122.60

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Solution

The fourth proportional to 445,712.36, 667,939.92 and 246,122.60 is: 368,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,712.36 : 667,939.92 = 246,122.60 : x
  2. Step 2: Convert to fraction form
    445,712.36/667,939.92 = 246,122.60/x
  3. Step 3: Cross multiply
    445,712.36x = 667,939.92 × 246,122.60
  4. Step 4: Simplify right side
    445,712.36x = 164,395,109,754.19
  5. Step 5: Solve for x
    x = 164,395,109,754.19/445,712.36
  6. Step 6: Final answer
    x = 368,836.78

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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.