Home / 1,206,563.85-1,665,078.12-662,749.92

Finding the Fourth Proportional to 1,206,563.85, 1,665,078.12 and 662,749.92

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Solution

The fourth proportional to 1,206,563.85, 1,665,078.12 and 662,749.92 is: 914,605.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,563.85 : 1,665,078.12 = 662,749.92 : x
  2. Step 2: Convert to fraction form
    1,206,563.85/1,665,078.12 = 662,749.92/x
  3. Step 3: Cross multiply
    1,206,563.85x = 1,665,078.12 × 662,749.92
  4. Step 4: Simplify right side
    1,206,563.85x = 1,103,530,390,823.75
  5. Step 5: Solve for x
    x = 1,103,530,390,823.75/1,206,563.85
  6. Step 6: Final answer
    x = 914,605.88

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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.