Home / 1,131,699.36-1,561,774.68-622,415.10

Finding the Fourth Proportional to 1,131,699.36, 1,561,774.68 and 622,415.10

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Solution

The fourth proportional to 1,131,699.36, 1,561,774.68 and 622,415.10 is: 858,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,699.36 : 1,561,774.68 = 622,415.10 : x
  2. Step 2: Convert to fraction form
    1,131,699.36/1,561,774.68 = 622,415.10/x
  3. Step 3: Cross multiply
    1,131,699.36x = 1,561,774.68 × 622,415.10
  4. Step 4: Simplify right side
    1,131,699.36x = 972,072,143,629.67
  5. Step 5: Solve for x
    x = 972,072,143,629.67/1,131,699.36
  6. Step 6: Final answer
    x = 858,949.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.