Home / 955,380.96-1,431,890.46-482,201.64

Finding the Fourth Proportional to 955,380.96, 1,431,890.46 and 482,201.64

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Solution

The fourth proportional to 955,380.96, 1,431,890.46 and 482,201.64 is: 722,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,380.96 : 1,431,890.46 = 482,201.64 : x
  2. Step 2: Convert to fraction form
    955,380.96/1,431,890.46 = 482,201.64/x
  3. Step 3: Cross multiply
    955,380.96x = 1,431,890.46 × 482,201.64
  4. Step 4: Simplify right side
    955,380.96x = 690,459,928,112.35
  5. Step 5: Solve for x
    x = 690,459,928,112.35/955,380.96
  6. Step 6: Final answer
    x = 722,706.39

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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.