Home / 773,439.88-1,067,107.78-450,921.76

Finding the Fourth Proportional to 773,439.88, 1,067,107.78 and 450,921.76

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Solution

The fourth proportional to 773,439.88, 1,067,107.78 and 450,921.76 is: 622,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,439.88 : 1,067,107.78 = 450,921.76 : x
  2. Step 2: Convert to fraction form
    773,439.88/1,067,107.78 = 450,921.76/x
  3. Step 3: Cross multiply
    773,439.88x = 1,067,107.78 × 450,921.76
  4. Step 4: Simplify right side
    773,439.88x = 481,182,118,267.29
  5. Step 5: Solve for x
    x = 481,182,118,267.29/773,439.88
  6. Step 6: Final answer
    x = 622,132.54

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1.5x scale

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.