Home / 1,282,175.53-1,777,493.67-1,213,919.26

Finding the Fourth Proportional to 1,282,175.53, 1,777,493.67 and 1,213,919.26

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Solution

The fourth proportional to 1,282,175.53, 1,777,493.67 and 1,213,919.26 is: 1,682,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,175.53 : 1,777,493.67 = 1,213,919.26 : x
  2. Step 2: Convert to fraction form
    1,282,175.53/1,777,493.67 = 1,213,919.26/x
  3. Step 3: Cross multiply
    1,282,175.53x = 1,777,493.67 × 1,213,919.26
  4. Step 4: Simplify right side
    1,282,175.53x = 2,157,733,791,545.15
  5. Step 5: Solve for x
    x = 2,157,733,791,545.15/1,282,175.53
  6. Step 6: Final answer
    x = 1,682,869.27

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.