Home / 1,000,161.78-1,380,212.60-541,266.36

Finding the Fourth Proportional to 1,000,161.78, 1,380,212.60 and 541,266.36

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Solution

The fourth proportional to 1,000,161.78, 1,380,212.60 and 541,266.36 is: 746,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,161.78 : 1,380,212.60 = 541,266.36 : x
  2. Step 2: Convert to fraction form
    1,000,161.78/1,380,212.60 = 541,266.36/x
  3. Step 3: Cross multiply
    1,000,161.78x = 1,380,212.60 × 541,266.36
  4. Step 4: Simplify right side
    1,000,161.78x = 747,062,647,321.80
  5. Step 5: Solve for x
    x = 747,062,647,321.80/1,000,161.78
  6. Step 6: Final answer
    x = 746,941.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.