Home / 765,817.20-1,149,163.20-529,329.60

Finding the Fourth Proportional to 765,817.20, 1,149,163.20 and 529,329.60

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Solution

The fourth proportional to 765,817.20, 1,149,163.20 and 529,329.60 is: 794,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,817.20 : 1,149,163.20 = 529,329.60 : x
  2. Step 2: Convert to fraction form
    765,817.20/1,149,163.20 = 529,329.60/x
  3. Step 3: Cross multiply
    765,817.20x = 1,149,163.20 × 529,329.60
  4. Step 4: Simplify right side
    765,817.20x = 608,286,096,990.72
  5. Step 5: Solve for x
    x = 608,286,096,990.72/765,817.20
  6. Step 6: Final answer
    x = 794,296.73

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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.