Home / 1,163,620.78-1,605,993.87-673,519.30

Finding the Fourth Proportional to 1,163,620.78, 1,605,993.87 and 673,519.30

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Solution

The fourth proportional to 1,163,620.78, 1,605,993.87 and 673,519.30 is: 929,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,620.78 : 1,605,993.87 = 673,519.30 : x
  2. Step 2: Convert to fraction form
    1,163,620.78/1,605,993.87 = 673,519.30/x
  3. Step 3: Cross multiply
    1,163,620.78x = 1,605,993.87 × 673,519.30
  4. Step 4: Simplify right side
    1,163,620.78x = 1,081,667,867,126.69
  5. Step 5: Solve for x
    x = 1,081,667,867,126.69/1,163,620.78
  6. Step 6: Final answer
    x = 929,570.77

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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.