Home / 467,084.88-644,624.75-285,916.53

Finding the Fourth Proportional to 467,084.88, 644,624.75 and 285,916.53

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Solution

The fourth proportional to 467,084.88, 644,624.75 and 285,916.53 is: 394,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,084.88 : 644,624.75 = 285,916.53 : x
  2. Step 2: Convert to fraction form
    467,084.88/644,624.75 = 285,916.53/x
  3. Step 3: Cross multiply
    467,084.88x = 644,624.75 × 285,916.53
  4. Step 4: Simplify right side
    467,084.88x = 184,308,873,195.97
  5. Step 5: Solve for x
    x = 184,308,873,195.97/467,084.88
  6. Step 6: Final answer
    x = 394,593.96

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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.