Home / 1,131,114.07-1,560,967.22-621,829.27

Finding the Fourth Proportional to 1,131,114.07, 1,560,967.22 and 621,829.27

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Solution

The fourth proportional to 1,131,114.07, 1,560,967.22 and 621,829.27 is: 858,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,114.07 : 1,560,967.22 = 621,829.27 : x
  2. Step 2: Convert to fraction form
    1,131,114.07/1,560,967.22 = 621,829.27/x
  3. Step 3: Cross multiply
    1,131,114.07x = 1,560,967.22 × 621,829.27
  4. Step 4: Simplify right side
    1,131,114.07x = 970,655,106,906.53
  5. Step 5: Solve for x
    x = 970,655,106,906.53/1,131,114.07
  6. Step 6: Final answer
    x = 858,140.78

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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.