Home / 1,086,465.60-1,629,698.40-1,040,392.80

Finding the Fourth Proportional to 1,086,465.60, 1,629,698.40 and 1,040,392.80

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Solution

The fourth proportional to 1,086,465.60, 1,629,698.40 and 1,040,392.80 is: 1,560,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,465.60 : 1,629,698.40 = 1,040,392.80 : x
  2. Step 2: Convert to fraction form
    1,086,465.60/1,629,698.40 = 1,040,392.80/x
  3. Step 3: Cross multiply
    1,086,465.60x = 1,629,698.40 × 1,040,392.80
  4. Step 4: Simplify right side
    1,086,465.60x = 1,695,526,481,531.52
  5. Step 5: Solve for x
    x = 1,695,526,481,531.52/1,086,465.60
  6. Step 6: Final answer
    x = 1,560,589.20

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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.