Home / 676,961.88-1,015,180.38-361,246.56

Finding the Fourth Proportional to 676,961.88, 1,015,180.38 and 361,246.56

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Solution

The fourth proportional to 676,961.88, 1,015,180.38 and 361,246.56 is: 541,729.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,961.88 : 1,015,180.38 = 361,246.56 : x
  2. Step 2: Convert to fraction form
    676,961.88/1,015,180.38 = 361,246.56/x
  3. Step 3: Cross multiply
    676,961.88x = 1,015,180.38 × 361,246.56
  4. Step 4: Simplify right side
    676,961.88x = 366,730,420,054.49
  5. Step 5: Solve for x
    x = 366,730,420,054.49/676,961.88
  6. Step 6: Final answer
    x = 541,729.79

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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.