Home / 474,204.12-655,040.70-379,388.76

Finding the Fourth Proportional to 474,204.12, 655,040.70 and 379,388.76

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Solution

The fourth proportional to 474,204.12, 655,040.70 and 379,388.76 is: 524,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,204.12 : 655,040.70 = 379,388.76 : x
  2. Step 2: Convert to fraction form
    474,204.12/655,040.70 = 379,388.76/x
  3. Step 3: Cross multiply
    474,204.12x = 655,040.70 × 379,388.76
  4. Step 4: Simplify right side
    474,204.12x = 248,515,078,922.53
  5. Step 5: Solve for x
    x = 248,515,078,922.53/474,204.12
  6. Step 6: Final answer
    x = 524,067.73

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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.