Home / 394,231.43-544,039.58-212,943.35

Finding the Fourth Proportional to 394,231.43, 544,039.58 and 212,943.35

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Solution

The fourth proportional to 394,231.43, 544,039.58 and 212,943.35 is: 293,861.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,231.43 : 544,039.58 = 212,943.35 : x
  2. Step 2: Convert to fraction form
    394,231.43/544,039.58 = 212,943.35/x
  3. Step 3: Cross multiply
    394,231.43x = 544,039.58 × 212,943.35
  4. Step 4: Simplify right side
    394,231.43x = 115,849,612,590.25
  5. Step 5: Solve for x
    x = 115,849,612,590.25/394,231.43
  6. Step 6: Final answer
    x = 293,861.94

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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.