Home / 1,603,878.35-2,213,352.07-878,753.52

Finding the Fourth Proportional to 1,603,878.35, 2,213,352.07 and 878,753.52

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Solution

The fourth proportional to 1,603,878.35, 2,213,352.07 and 878,753.52 is: 1,212,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,878.35 : 2,213,352.07 = 878,753.52 : x
  2. Step 2: Convert to fraction form
    1,603,878.35/2,213,352.07 = 878,753.52/x
  3. Step 3: Cross multiply
    1,603,878.35x = 2,213,352.07 × 878,753.52
  4. Step 4: Simplify right side
    1,603,878.35x = 1,944,990,920,314.90
  5. Step 5: Solve for x
    x = 1,944,990,920,314.90/1,603,878.35
  6. Step 6: Final answer
    x = 1,212,679.83

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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.