Home / 1,131,118.32-1,560,973.10-621,833.52

Finding the Fourth Proportional to 1,131,118.32, 1,560,973.10 and 621,833.52

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Solution

The fourth proportional to 1,131,118.32, 1,560,973.10 and 621,833.52 is: 858,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,118.32 : 1,560,973.10 = 621,833.52 : x
  2. Step 2: Convert to fraction form
    1,131,118.32/1,560,973.10 = 621,833.52/x
  3. Step 3: Cross multiply
    1,131,118.32x = 1,560,973.10 × 621,833.52
  4. Step 4: Simplify right side
    1,131,118.32x = 970,665,394,289.14
  5. Step 5: Solve for x
    x = 970,665,394,289.14/1,131,118.32
  6. Step 6: Final answer
    x = 858,146.65

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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.