Home / 1,418,313.43-1,957,121.60-798,107.77

Finding the Fourth Proportional to 1,418,313.43, 1,957,121.60 and 798,107.77

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Solution

The fourth proportional to 1,418,313.43, 1,957,121.60 and 798,107.77 is: 1,101,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,313.43 : 1,957,121.60 = 798,107.77 : x
  2. Step 2: Convert to fraction form
    1,418,313.43/1,957,121.60 = 798,107.77/x
  3. Step 3: Cross multiply
    1,418,313.43x = 1,957,121.60 × 798,107.77
  4. Step 4: Simplify right side
    1,418,313.43x = 1,561,993,955,794.83
  5. Step 5: Solve for x
    x = 1,561,993,955,794.83/1,418,313.43
  6. Step 6: Final answer
    x = 1,101,303.79

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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.