Home / 818,093.62-1,227,224.22-313,079.38

Finding the Fourth Proportional to 818,093.62, 1,227,224.22 and 313,079.38

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Solution

The fourth proportional to 818,093.62, 1,227,224.22 and 313,079.38 is: 469,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,093.62 : 1,227,224.22 = 313,079.38 : x
  2. Step 2: Convert to fraction form
    818,093.62/1,227,224.22 = 313,079.38/x
  3. Step 3: Cross multiply
    818,093.62x = 1,227,224.22 × 313,079.38
  4. Step 4: Simplify right side
    818,093.62x = 384,218,593,676.48
  5. Step 5: Solve for x
    x = 384,218,593,676.48/818,093.62
  6. Step 6: Final answer
    x = 469,651.13

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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.