Home / 1,040,198.40-1,435,492.80-587,404.80

Finding the Fourth Proportional to 1,040,198.40, 1,435,492.80 and 587,404.80

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Solution

The fourth proportional to 1,040,198.40, 1,435,492.80 and 587,404.80 is: 810,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,198.40 : 1,435,492.80 = 587,404.80 : x
  2. Step 2: Convert to fraction form
    1,040,198.40/1,435,492.80 = 587,404.80/x
  3. Step 3: Cross multiply
    1,040,198.40x = 1,435,492.80 × 587,404.80
  4. Step 4: Simplify right side
    1,040,198.40x = 843,215,361,085.44
  5. Step 5: Solve for x
    x = 843,215,361,085.44/1,040,198.40
  6. Step 6: Final answer
    x = 810,629.36

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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.