Home / 942,679.91-1,414,241.33-311,593.72

Finding the Fourth Proportional to 942,679.91, 1,414,241.33 and 311,593.72

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Solution

The fourth proportional to 942,679.91, 1,414,241.33 and 311,593.72 is: 467,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,679.91 : 1,414,241.33 = 311,593.72 : x
  2. Step 2: Convert to fraction form
    942,679.91/1,414,241.33 = 311,593.72/x
  3. Step 3: Cross multiply
    942,679.91x = 1,414,241.33 × 311,593.72
  4. Step 4: Simplify right side
    942,679.91x = 440,668,716,992.45
  5. Step 5: Solve for x
    x = 440,668,716,992.45/942,679.91
  6. Step 6: Final answer
    x = 467,463.78

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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.