Home / 439,067.28-605,940.84-269,278.32

Finding the Fourth Proportional to 439,067.28, 605,940.84 and 269,278.32

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Solution

The fourth proportional to 439,067.28, 605,940.84 and 269,278.32 is: 371,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,067.28 : 605,940.84 = 269,278.32 : x
  2. Step 2: Convert to fraction form
    439,067.28/605,940.84 = 269,278.32/x
  3. Step 3: Cross multiply
    439,067.28x = 605,940.84 × 269,278.32
  4. Step 4: Simplify right side
    439,067.28x = 163,166,731,414.59
  5. Step 5: Solve for x
    x = 163,166,731,414.59/439,067.28
  6. Step 6: Final answer
    x = 371,621.25

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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.