Home / 738,765.20-1,108,147.80-734,099.60

Finding the Fourth Proportional to 738,765.20, 1,108,147.80 and 734,099.60

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Solution

The fourth proportional to 738,765.20, 1,108,147.80 and 734,099.60 is: 1,101,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,765.20 : 1,108,147.80 = 734,099.60 : x
  2. Step 2: Convert to fraction form
    738,765.20/1,108,147.80 = 734,099.60/x
  3. Step 3: Cross multiply
    738,765.20x = 1,108,147.80 × 734,099.60
  4. Step 4: Simplify right side
    738,765.20x = 813,490,856,720.88
  5. Step 5: Solve for x
    x = 813,490,856,720.88/738,765.20
  6. Step 6: Final answer
    x = 1,101,149.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.