Home / 571,956.23-789,273.11-313,826.73

Finding the Fourth Proportional to 571,956.23, 789,273.11 and 313,826.73

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Solution

The fourth proportional to 571,956.23, 789,273.11 and 313,826.73 is: 433,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,956.23 : 789,273.11 = 313,826.73 : x
  2. Step 2: Convert to fraction form
    571,956.23/789,273.11 = 313,826.73/x
  3. Step 3: Cross multiply
    571,956.23x = 789,273.11 × 313,826.73
  4. Step 4: Simplify right side
    571,956.23x = 247,694,997,619.10
  5. Step 5: Solve for x
    x = 247,694,997,619.10/571,956.23
  6. Step 6: Final answer
    x = 433,066.36

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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.