Home / 467,673.04-644,958.40-306,469.54

Finding the Fourth Proportional to 467,673.04, 644,958.40 and 306,469.54

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Solution

The fourth proportional to 467,673.04, 644,958.40 and 306,469.54 is: 422,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,673.04 : 644,958.40 = 306,469.54 : x
  2. Step 2: Convert to fraction form
    467,673.04/644,958.40 = 306,469.54/x
  3. Step 3: Cross multiply
    467,673.04x = 644,958.40 × 306,469.54
  4. Step 4: Simplify right side
    467,673.04x = 197,660,104,167.14
  5. Step 5: Solve for x
    x = 197,660,104,167.14/467,673.04
  6. Step 6: Final answer
    x = 422,645.92

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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.