Home / 738,763.20-1,108,144.80-734,097.60

Finding the Fourth Proportional to 738,763.20, 1,108,144.80 and 734,097.60

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Solution

The fourth proportional to 738,763.20, 1,108,144.80 and 734,097.60 is: 1,101,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,763.20 : 1,108,144.80 = 734,097.60 : x
  2. Step 2: Convert to fraction form
    738,763.20/1,108,144.80 = 734,097.60/x
  3. Step 3: Cross multiply
    738,763.20x = 1,108,144.80 × 734,097.60
  4. Step 4: Simplify right side
    738,763.20x = 813,486,438,132.48
  5. Step 5: Solve for x
    x = 813,486,438,132.48/738,763.20
  6. Step 6: Final answer
    x = 1,101,146.40

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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.