Home / 1,189,359.24-1,641,315.12-673,103.76

Finding the Fourth Proportional to 1,189,359.24, 1,641,315.12 and 673,103.76

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Solution

The fourth proportional to 1,189,359.24, 1,641,315.12 and 673,103.76 is: 928,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,359.24 : 1,641,315.12 = 673,103.76 : x
  2. Step 2: Convert to fraction form
    1,189,359.24/1,641,315.12 = 673,103.76/x
  3. Step 3: Cross multiply
    1,189,359.24x = 1,641,315.12 × 673,103.76
  4. Step 4: Simplify right side
    1,189,359.24x = 1,104,775,378,616.85
  5. Step 5: Solve for x
    x = 1,104,775,378,616.85/1,189,359.24
  6. Step 6: Final answer
    x = 928,882.83

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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.