Home / 1,603,389.55-2,212,650.23-868,337.87

Finding the Fourth Proportional to 1,603,389.55, 2,212,650.23 and 868,337.87

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Solution

The fourth proportional to 1,603,389.55, 2,212,650.23 and 868,337.87 is: 1,198,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,389.55 : 2,212,650.23 = 868,337.87 : x
  2. Step 2: Convert to fraction form
    1,603,389.55/2,212,650.23 = 868,337.87/x
  3. Step 3: Cross multiply
    1,603,389.55x = 2,212,650.23 × 868,337.87
  4. Step 4: Simplify right side
    1,603,389.55x = 1,921,327,987,773.21
  5. Step 5: Solve for x
    x = 1,921,327,987,773.21/1,603,389.55
  6. Step 6: Final answer
    x = 1,198,291.45

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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.