Home / 1,030,766.89-1,422,410.31-571,876.57

Finding the Fourth Proportional to 1,030,766.89, 1,422,410.31 and 571,876.57

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Solution

The fourth proportional to 1,030,766.89, 1,422,410.31 and 571,876.57 is: 789,163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,766.89 : 1,422,410.31 = 571,876.57 : x
  2. Step 2: Convert to fraction form
    1,030,766.89/1,422,410.31 = 571,876.57/x
  3. Step 3: Cross multiply
    1,030,766.89x = 1,422,410.31 × 571,876.57
  4. Step 4: Simplify right side
    1,030,766.89x = 813,443,129,215.44
  5. Step 5: Solve for x
    x = 813,443,129,215.44/1,030,766.89
  6. Step 6: Final answer
    x = 789,163.04

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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.