Home / 411,924.78-618,922.35-262,231.92

Finding the Fourth Proportional to 411,924.78, 618,922.35 and 262,231.92

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Solution

The fourth proportional to 411,924.78, 618,922.35 and 262,231.92 is: 394,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,924.78 : 618,922.35 = 262,231.92 : x
  2. Step 2: Convert to fraction form
    411,924.78/618,922.35 = 262,231.92/x
  3. Step 3: Cross multiply
    411,924.78x = 618,922.35 × 262,231.92
  4. Step 4: Simplify right side
    411,924.78x = 162,301,196,171.41
  5. Step 5: Solve for x
    x = 162,301,196,171.41/411,924.78
  6. Step 6: Final answer
    x = 394,006.88

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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.