Home / 3,003,445.46-4,505,120.46-728,988.68

Finding the Fourth Proportional to 3,003,445.46, 4,505,120.46 and 728,988.68

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Solution

The fourth proportional to 3,003,445.46, 4,505,120.46 and 728,988.68 is: 1,093,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003,445.46 : 4,505,120.46 = 728,988.68 : x
  2. Step 2: Convert to fraction form
    3,003,445.46/4,505,120.46 = 728,988.68/x
  3. Step 3: Cross multiply
    3,003,445.46x = 4,505,120.46 × 728,988.68
  4. Step 4: Simplify right side
    3,003,445.46x = 3,284,181,794,850.79
  5. Step 5: Solve for x
    x = 3,284,181,794,850.79/3,003,445.46
  6. Step 6: Final answer
    x = 1,093,471.43

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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.