Home / 638,163.23-957,243.83-296,419.77

Finding the Fourth Proportional to 638,163.23, 957,243.83 and 296,419.77

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Solution

The fourth proportional to 638,163.23, 957,243.83 and 296,419.77 is: 444,629.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,163.23 : 957,243.83 = 296,419.77 : x
  2. Step 2: Convert to fraction form
    638,163.23/957,243.83 = 296,419.77/x
  3. Step 3: Cross multiply
    638,163.23x = 957,243.83 × 296,419.77
  4. Step 4: Simplify right side
    638,163.23x = 283,745,994,440.42
  5. Step 5: Solve for x
    x = 283,745,994,440.42/638,163.23
  6. Step 6: Final answer
    x = 444,629.18

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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.