Home / 1,189,183.52-1,641,074.38-679,896.56

Finding the Fourth Proportional to 1,189,183.52, 1,641,074.38 and 679,896.56

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Solution

The fourth proportional to 1,189,183.52, 1,641,074.38 and 679,896.56 is: 938,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,183.52 : 1,641,074.38 = 679,896.56 : x
  2. Step 2: Convert to fraction form
    1,189,183.52/1,641,074.38 = 679,896.56/x
  3. Step 3: Cross multiply
    1,189,183.52x = 1,641,074.38 × 679,896.56
  4. Step 4: Simplify right side
    1,189,183.52x = 1,115,760,825,666.13
  5. Step 5: Solve for x
    x = 1,115,760,825,666.13/1,189,183.52
  6. Step 6: Final answer
    x = 938,257.89

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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.