Home / 1,603,388.55-2,212,648.85-868,336.87

Finding the Fourth Proportional to 1,603,388.55, 2,212,648.85 and 868,336.87

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Solution

The fourth proportional to 1,603,388.55, 2,212,648.85 and 868,336.87 is: 1,198,290.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,388.55 : 2,212,648.85 = 868,336.87 : x
  2. Step 2: Convert to fraction form
    1,603,388.55/2,212,648.85 = 868,336.87/x
  3. Step 3: Cross multiply
    1,603,388.55x = 2,212,648.85 × 868,336.87
  4. Step 4: Simplify right side
    1,603,388.55x = 1,921,324,576,818.10
  5. Step 5: Solve for x
    x = 1,921,324,576,818.10/1,603,388.55
  6. Step 6: Final answer
    x = 1,198,290.07

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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.