Home / 1,202,991.66-1,793,871.86-1,192,192.74

Finding the Fourth Proportional to 1,202,991.66, 1,793,871.86 and 1,192,192.74

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Solution

The fourth proportional to 1,202,991.66, 1,793,871.86 and 1,192,192.74 is: 1,777,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,991.66 : 1,793,871.86 = 1,192,192.74 : x
  2. Step 2: Convert to fraction form
    1,202,991.66/1,793,871.86 = 1,192,192.74/x
  3. Step 3: Cross multiply
    1,202,991.66x = 1,793,871.86 × 1,192,192.74
  4. Step 4: Simplify right side
    1,202,991.66x = 2,138,641,002,021.33
  5. Step 5: Solve for x
    x = 2,138,641,002,021.33/1,202,991.66
  6. Step 6: Final answer
    x = 1,777,768.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.