Home / 414,940.78-621,827.97-237,181.42

Finding the Fourth Proportional to 414,940.78, 621,827.97 and 237,181.42

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Solution

The fourth proportional to 414,940.78, 621,827.97 and 237,181.42 is: 355,438.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,940.78 : 621,827.97 = 237,181.42 : x
  2. Step 2: Convert to fraction form
    414,940.78/621,827.97 = 237,181.42/x
  3. Step 3: Cross multiply
    414,940.78x = 621,827.97 × 237,181.42
  4. Step 4: Simplify right side
    414,940.78x = 147,486,040,920.32
  5. Step 5: Solve for x
    x = 147,486,040,920.32/414,940.78
  6. Step 6: Final answer
    x = 355,438.77

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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.