Home / 1,086,589.73-1,629,883.23-412,669.78

Finding the Fourth Proportional to 1,086,589.73, 1,629,883.23 and 412,669.78

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Solution

The fourth proportional to 1,086,589.73, 1,629,883.23 and 412,669.78 is: 619,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,589.73 : 1,629,883.23 = 412,669.78 : x
  2. Step 2: Convert to fraction form
    1,086,589.73/1,629,883.23 = 412,669.78/x
  3. Step 3: Cross multiply
    1,086,589.73x = 1,629,883.23 × 412,669.78
  4. Step 4: Simplify right side
    1,086,589.73x = 672,603,553,949.79
  5. Step 5: Solve for x
    x = 672,603,553,949.79/1,086,589.73
  6. Step 6: Final answer
    x = 619,004.15

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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.