Home / 709,577.31-979,067.07-451,360.38

Finding the Fourth Proportional to 709,577.31, 979,067.07 and 451,360.38

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Solution

The fourth proportional to 709,577.31, 979,067.07 and 451,360.38 is: 622,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,577.31 : 979,067.07 = 451,360.38 : x
  2. Step 2: Convert to fraction form
    709,577.31/979,067.07 = 451,360.38/x
  3. Step 3: Cross multiply
    709,577.31x = 979,067.07 × 451,360.38
  4. Step 4: Simplify right side
    709,577.31x = 441,912,084,760.69
  5. Step 5: Solve for x
    x = 441,912,084,760.69/709,577.31
  6. Step 6: Final answer
    x = 622,782.15

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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.