Home / 474,401.49-655,072.97-338,851.23

Finding the Fourth Proportional to 474,401.49, 655,072.97 and 338,851.23

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Solution

The fourth proportional to 474,401.49, 655,072.97 and 338,851.23 is: 467,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,401.49 : 655,072.97 = 338,851.23 : x
  2. Step 2: Convert to fraction form
    474,401.49/655,072.97 = 338,851.23/x
  3. Step 3: Cross multiply
    474,401.49x = 655,072.97 × 338,851.23
  4. Step 4: Simplify right side
    474,401.49x = 221,972,279,930.00
  5. Step 5: Solve for x
    x = 221,972,279,930.00/474,401.49
  6. Step 6: Final answer
    x = 467,899.63

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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.