Home / 1,131,114.57-1,560,967.91-621,829.77

Finding the Fourth Proportional to 1,131,114.57, 1,560,967.91 and 621,829.77

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Solution

The fourth proportional to 1,131,114.57, 1,560,967.91 and 621,829.77 is: 858,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,114.57 : 1,560,967.91 = 621,829.77 : x
  2. Step 2: Convert to fraction form
    1,131,114.57/1,560,967.91 = 621,829.77/x
  3. Step 3: Cross multiply
    1,131,114.57x = 1,560,967.91 × 621,829.77
  4. Step 4: Simplify right side
    1,131,114.57x = 970,656,313,343.53
  5. Step 5: Solve for x
    x = 970,656,313,343.53/1,131,114.57
  6. Step 6: Final answer
    x = 858,141.46

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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.