Home / 1,136,821.36-1,568,440.90-810,185.83

Finding the Fourth Proportional to 1,136,821.36, 1,568,440.90 and 810,185.83

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Solution

The fourth proportional to 1,136,821.36, 1,568,440.90 and 810,185.83 is: 1,117,790.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,821.36 : 1,568,440.90 = 810,185.83 : x
  2. Step 2: Convert to fraction form
    1,136,821.36/1,568,440.90 = 810,185.83/x
  3. Step 3: Cross multiply
    1,136,821.36x = 1,568,440.90 × 810,185.83
  4. Step 4: Simplify right side
    1,136,821.36x = 1,270,728,592,372.45
  5. Step 5: Solve for x
    x = 1,270,728,592,372.45/1,136,821.36
  6. Step 6: Final answer
    x = 1,117,790.92

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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.