Home / 1,035,579.43-1,428,363.44-691,241.75

Finding the Fourth Proportional to 1,035,579.43, 1,428,363.44 and 691,241.75

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Solution

The fourth proportional to 1,035,579.43, 1,428,363.44 and 691,241.75 is: 953,422.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,579.43 : 1,428,363.44 = 691,241.75 : x
  2. Step 2: Convert to fraction form
    1,035,579.43/1,428,363.44 = 691,241.75/x
  3. Step 3: Cross multiply
    1,035,579.43x = 1,428,363.44 × 691,241.75
  4. Step 4: Simplify right side
    1,035,579.43x = 987,344,436,759.80
  5. Step 5: Solve for x
    x = 987,344,436,759.80/1,035,579.43
  6. Step 6: Final answer
    x = 953,422.22

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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.