Home / 1,105,763.10-1,526,002.20-622,359.60

Finding the Fourth Proportional to 1,105,763.10, 1,526,002.20 and 622,359.60

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Solution

The fourth proportional to 1,105,763.10, 1,526,002.20 and 622,359.60 is: 858,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,763.10 : 1,526,002.20 = 622,359.60 : x
  2. Step 2: Convert to fraction form
    1,105,763.10/1,526,002.20 = 622,359.60/x
  3. Step 3: Cross multiply
    1,105,763.10x = 1,526,002.20 × 622,359.60
  4. Step 4: Simplify right side
    1,105,763.10x = 949,722,118,791.12
  5. Step 5: Solve for x
    x = 949,722,118,791.12/1,105,763.10
  6. Step 6: Final answer
    x = 858,883.90

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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.