Home / 1,219,479.35-1,682,745.33-675,480.17

Finding the Fourth Proportional to 1,219,479.35, 1,682,745.33 and 675,480.17

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Solution

The fourth proportional to 1,219,479.35, 1,682,745.33 and 675,480.17 is: 932,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,479.35 : 1,682,745.33 = 675,480.17 : x
  2. Step 2: Convert to fraction form
    1,219,479.35/1,682,745.33 = 675,480.17/x
  3. Step 3: Cross multiply
    1,219,479.35x = 1,682,745.33 × 675,480.17
  4. Step 4: Simplify right side
    1,219,479.35x = 1,136,661,101,575.11
  5. Step 5: Solve for x
    x = 1,136,661,101,575.11/1,219,479.35
  6. Step 6: Final answer
    x = 932,087.21

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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.