Home / 1,183,786.52-1,633,785.39-667,646.42

Finding the Fourth Proportional to 1,183,786.52, 1,633,785.39 and 667,646.42

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Solution

The fourth proportional to 1,183,786.52, 1,633,785.39 and 667,646.42 is: 921,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,786.52 : 1,633,785.39 = 667,646.42 : x
  2. Step 2: Convert to fraction form
    1,183,786.52/1,633,785.39 = 667,646.42/x
  3. Step 3: Cross multiply
    1,183,786.52x = 1,633,785.39 × 667,646.42
  4. Step 4: Simplify right side
    1,183,786.52x = 1,090,790,958,512.88
  5. Step 5: Solve for x
    x = 1,090,790,958,512.88/1,183,786.52
  6. Step 6: Final answer
    x = 921,442.29

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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.