Home / 1,105,610.40-1,525,723.92-622,175.40

Finding the Fourth Proportional to 1,105,610.40, 1,525,723.92 and 622,175.40

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Solution

The fourth proportional to 1,105,610.40, 1,525,723.92 and 622,175.40 is: 858,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,610.40 : 1,525,723.92 = 622,175.40 : x
  2. Step 2: Convert to fraction form
    1,105,610.40/1,525,723.92 = 622,175.40/x
  3. Step 3: Cross multiply
    1,105,610.40x = 1,525,723.92 × 622,175.40
  4. Step 4: Simplify right side
    1,105,610.40x = 949,267,890,215.57
  5. Step 5: Solve for x
    x = 949,267,890,215.57/1,105,610.40
  6. Step 6: Final answer
    x = 858,591.68

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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.