Home / 1,105,679.97-1,525,820.49-622,244.84

Finding the Fourth Proportional to 1,105,679.97, 1,525,820.49 and 622,244.84

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Solution

The fourth proportional to 1,105,679.97, 1,525,820.49 and 622,244.84 is: 858,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,679.97 : 1,525,820.49 = 622,244.84 : x
  2. Step 2: Convert to fraction form
    1,105,679.97/1,525,820.49 = 622,244.84/x
  3. Step 3: Cross multiply
    1,105,679.97x = 1,525,820.49 × 622,244.84
  4. Step 4: Simplify right side
    1,105,679.97x = 949,433,919,039.67
  5. Step 5: Solve for x
    x = 949,433,919,039.67/1,105,679.97
  6. Step 6: Final answer
    x = 858,687.82

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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.