Home / 578,162.11-867,238.33-451,908.54

Finding the Fourth Proportional to 578,162.11, 867,238.33 and 451,908.54

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Solution

The fourth proportional to 578,162.11, 867,238.33 and 451,908.54 is: 677,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,162.11 : 867,238.33 = 451,908.54 : x
  2. Step 2: Convert to fraction form
    578,162.11/867,238.33 = 451,908.54/x
  3. Step 3: Cross multiply
    578,162.11x = 867,238.33 × 451,908.54
  4. Step 4: Simplify right side
    578,162.11x = 391,912,407,542.34
  5. Step 5: Solve for x
    x = 391,912,407,542.34/578,162.11
  6. Step 6: Final answer
    x = 677,859.03

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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.