Home / 1,040,396.27-1,561,480.16-409,752.95

Finding the Fourth Proportional to 1,040,396.27, 1,561,480.16 and 409,752.95

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Solution

The fourth proportional to 1,040,396.27, 1,561,480.16 and 409,752.95 is: 614,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,396.27 : 1,561,480.16 = 409,752.95 : x
  2. Step 2: Convert to fraction form
    1,040,396.27/1,561,480.16 = 409,752.95/x
  3. Step 3: Cross multiply
    1,040,396.27x = 1,561,480.16 × 409,752.95
  4. Step 4: Simplify right side
    1,040,396.27x = 639,821,092,070.31
  5. Step 5: Solve for x
    x = 639,821,092,070.31/1,040,396.27
  6. Step 6: Final answer
    x = 614,978.27

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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.