Home / 1,105,755.10-1,525,991.16-622,351.60

Finding the Fourth Proportional to 1,105,755.10, 1,525,991.16 and 622,351.60

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Solution

The fourth proportional to 1,105,755.10, 1,525,991.16 and 622,351.60 is: 858,872.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,755.10 : 1,525,991.16 = 622,351.60 : x
  2. Step 2: Convert to fraction form
    1,105,755.10/1,525,991.16 = 622,351.60/x
  3. Step 3: Cross multiply
    1,105,755.10x = 1,525,991.16 × 622,351.60
  4. Step 4: Simplify right side
    1,105,755.10x = 949,703,040,011.86
  5. Step 5: Solve for x
    x = 949,703,040,011.86/1,105,755.10
  6. Step 6: Final answer
    x = 858,872.86

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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.