Home / 1,108,884.78-1,530,147.24-818,650.44

Finding the Fourth Proportional to 1,108,884.78, 1,530,147.24 and 818,650.44

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Solution

The fourth proportional to 1,108,884.78, 1,530,147.24 and 818,650.44 is: 1,129,653.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,884.78 : 1,530,147.24 = 818,650.44 : x
  2. Step 2: Convert to fraction form
    1,108,884.78/1,530,147.24 = 818,650.44/x
  3. Step 3: Cross multiply
    1,108,884.78x = 1,530,147.24 × 818,650.44
  4. Step 4: Simplify right side
    1,108,884.78x = 1,252,655,711,290.79
  5. Step 5: Solve for x
    x = 1,252,655,711,290.79/1,108,884.78
  6. Step 6: Final answer
    x = 1,129,653.62

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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.