Home / 1,619,311.40-2,234,846.76-940,247.88

Finding the Fourth Proportional to 1,619,311.40, 2,234,846.76 and 940,247.88

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Solution

The fourth proportional to 1,619,311.40, 2,234,846.76 and 940,247.88 is: 1,297,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,311.40 : 2,234,846.76 = 940,247.88 : x
  2. Step 2: Convert to fraction form
    1,619,311.40/2,234,846.76 = 940,247.88/x
  3. Step 3: Cross multiply
    1,619,311.40x = 2,234,846.76 × 940,247.88
  4. Step 4: Simplify right side
    1,619,311.40x = 2,101,309,928,214.87
  5. Step 5: Solve for x
    x = 2,101,309,928,214.87/1,619,311.40
  6. Step 6: Final answer
    x = 1,297,656.48

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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.