Home / 394,858.20-544,902.53-213,569.70

Finding the Fourth Proportional to 394,858.20, 544,902.53 and 213,569.70

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Solution

The fourth proportional to 394,858.20, 544,902.53 and 213,569.70 is: 294,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,858.20 : 544,902.53 = 213,569.70 : x
  2. Step 2: Convert to fraction form
    394,858.20/544,902.53 = 213,569.70/x
  3. Step 3: Cross multiply
    394,858.20x = 544,902.53 × 213,569.70
  4. Step 4: Simplify right side
    394,858.20x = 116,374,666,068.98
  5. Step 5: Solve for x
    x = 116,374,666,068.98/394,858.20
  6. Step 6: Final answer
    x = 294,725.21

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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.