Home / 1,055,622.20-1,456,723.10-625,647.06

Finding the Fourth Proportional to 1,055,622.20, 1,456,723.10 and 625,647.06

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Solution

The fourth proportional to 1,055,622.20, 1,456,723.10 and 625,647.06 is: 863,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,622.20 : 1,456,723.10 = 625,647.06 : x
  2. Step 2: Convert to fraction form
    1,055,622.20/1,456,723.10 = 625,647.06/x
  3. Step 3: Cross multiply
    1,055,622.20x = 1,456,723.10 × 625,647.06
  4. Step 4: Simplify right side
    1,055,622.20x = 911,394,521,620.85
  5. Step 5: Solve for x
    x = 911,394,521,620.85/1,055,622.20
  6. Step 6: Final answer
    x = 863,371.88

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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.