Home / 925,669.88-1,275,141.12-789,259.40

Finding the Fourth Proportional to 925,669.88, 1,275,141.12 and 789,259.40

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Solution

The fourth proportional to 925,669.88, 1,275,141.12 and 789,259.40 is: 1,087,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,669.88 : 1,275,141.12 = 789,259.40 : x
  2. Step 2: Convert to fraction form
    925,669.88/1,275,141.12 = 789,259.40/x
  3. Step 3: Cross multiply
    925,669.88x = 1,275,141.12 × 789,259.40
  4. Step 4: Simplify right side
    925,669.88x = 1,006,417,115,286.53
  5. Step 5: Solve for x
    x = 1,006,417,115,286.53/925,669.88
  6. Step 6: Final answer
    x = 1,087,231.14

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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.