Home / 1,131,600.89-1,561,578.08-622,303.26

Finding the Fourth Proportional to 1,131,600.89, 1,561,578.08 and 622,303.26

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Solution

The fourth proportional to 1,131,600.89, 1,561,578.08 and 622,303.26 is: 858,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,600.89 : 1,561,578.08 = 622,303.26 : x
  2. Step 2: Convert to fraction form
    1,131,600.89/1,561,578.08 = 622,303.26/x
  3. Step 3: Cross multiply
    1,131,600.89x = 1,561,578.08 × 622,303.26
  4. Step 4: Simplify right side
    1,131,600.89x = 971,775,133,245.44
  5. Step 5: Solve for x
    x = 971,775,133,245.44/1,131,600.89
  6. Step 6: Final answer
    x = 858,761.37

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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.