Home / 1,172,810.05-1,618,630.32-656,760.43

Finding the Fourth Proportional to 1,172,810.05, 1,618,630.32 and 656,760.43

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Solution

The fourth proportional to 1,172,810.05, 1,618,630.32 and 656,760.43 is: 906,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,810.05 : 1,618,630.32 = 656,760.43 : x
  2. Step 2: Convert to fraction form
    1,172,810.05/1,618,630.32 = 656,760.43/x
  3. Step 3: Cross multiply
    1,172,810.05x = 1,618,630.32 × 656,760.43
  4. Step 4: Simplify right side
    1,172,810.05x = 1,063,052,344,974.24
  5. Step 5: Solve for x
    x = 1,063,052,344,974.24/1,172,810.05
  6. Step 6: Final answer
    x = 906,414.76

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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.