Home / 1,136,717.22-1,568,662.20-620,469.06

Finding the Fourth Proportional to 1,136,717.22, 1,568,662.20 and 620,469.06

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Solution

The fourth proportional to 1,136,717.22, 1,568,662.20 and 620,469.06 is: 856,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,717.22 : 1,568,662.20 = 620,469.06 : x
  2. Step 2: Convert to fraction form
    1,136,717.22/1,568,662.20 = 620,469.06/x
  3. Step 3: Cross multiply
    1,136,717.22x = 1,568,662.20 × 620,469.06
  4. Step 4: Simplify right side
    1,136,717.22x = 973,306,360,691.53
  5. Step 5: Solve for x
    x = 973,306,360,691.53/1,136,717.22
  6. Step 6: Final answer
    x = 856,243.17

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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.