Home / 1,603,886.22-2,213,362.92-878,761.41

Finding the Fourth Proportional to 1,603,886.22, 2,213,362.92 and 878,761.41

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Solution

The fourth proportional to 1,603,886.22, 2,213,362.92 and 878,761.41 is: 1,212,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,886.22 : 2,213,362.92 = 878,761.41 : x
  2. Step 2: Convert to fraction form
    1,603,886.22/2,213,362.92 = 878,761.41/x
  3. Step 3: Cross multiply
    1,603,886.22x = 2,213,362.92 × 878,761.41
  4. Step 4: Simplify right side
    1,603,886.22x = 1,945,017,920,420.92
  5. Step 5: Solve for x
    x = 1,945,017,920,420.92/1,603,886.22
  6. Step 6: Final answer
    x = 1,212,690.71

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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.