Home / 1,193,555.25-1,790,351.44-664,439.36

Finding the Fourth Proportional to 1,193,555.25, 1,790,351.44 and 664,439.36

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Solution

The fourth proportional to 1,193,555.25, 1,790,351.44 and 664,439.36 is: 996,669.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,555.25 : 1,790,351.44 = 664,439.36 : x
  2. Step 2: Convert to fraction form
    1,193,555.25/1,790,351.44 = 664,439.36/x
  3. Step 3: Cross multiply
    1,193,555.25x = 1,790,351.44 × 664,439.36
  4. Step 4: Simplify right side
    1,193,555.25x = 1,189,579,954,355.82
  5. Step 5: Solve for x
    x = 1,189,579,954,355.82/1,193,555.25
  6. Step 6: Final answer
    x = 996,669.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.