Home / 1,105,910.75-1,525,894.39-622,379.63

Finding the Fourth Proportional to 1,105,910.75, 1,525,894.39 and 622,379.63

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Solution

The fourth proportional to 1,105,910.75, 1,525,894.39 and 622,379.63 is: 858,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,910.75 : 1,525,894.39 = 622,379.63 : x
  2. Step 2: Convert to fraction form
    1,105,910.75/1,525,894.39 = 622,379.63/x
  3. Step 3: Cross multiply
    1,105,910.75x = 1,525,894.39 × 622,379.63
  4. Step 4: Simplify right side
    1,105,910.75x = 949,685,585,867.28
  5. Step 5: Solve for x
    x = 949,685,585,867.28/1,105,910.75
  6. Step 6: Final answer
    x = 858,736.19

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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.