Home / 1,126,203.08-1,689,469.34-327,380.83

Finding the Fourth Proportional to 1,126,203.08, 1,689,469.34 and 327,380.83

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Solution

The fourth proportional to 1,126,203.08, 1,689,469.34 and 327,380.83 is: 491,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,203.08 : 1,689,469.34 = 327,380.83 : x
  2. Step 2: Convert to fraction form
    1,126,203.08/1,689,469.34 = 327,380.83/x
  3. Step 3: Cross multiply
    1,126,203.08x = 1,689,469.34 × 327,380.83
  4. Step 4: Simplify right side
    1,126,203.08x = 553,099,868,928.18
  5. Step 5: Solve for x
    x = 553,099,868,928.18/1,126,203.08
  6. Step 6: Final answer
    x = 491,119.13

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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.