Home / 375,242.22-517,786.83-298,954.80

Finding the Fourth Proportional to 375,242.22, 517,786.83 and 298,954.80

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Solution

The fourth proportional to 375,242.22, 517,786.83 and 298,954.80 is: 412,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,242.22 : 517,786.83 = 298,954.80 : x
  2. Step 2: Convert to fraction form
    375,242.22/517,786.83 = 298,954.80/x
  3. Step 3: Cross multiply
    375,242.22x = 517,786.83 × 298,954.80
  4. Step 4: Simplify right side
    375,242.22x = 154,794,858,205.28
  5. Step 5: Solve for x
    x = 154,794,858,205.28/375,242.22
  6. Step 6: Final answer
    x = 412,519.83

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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.