Home / 394,020.46-543,769.23-224,309.26

Finding the Fourth Proportional to 394,020.46, 543,769.23 and 224,309.26

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Solution

The fourth proportional to 394,020.46, 543,769.23 and 224,309.26 is: 309,558.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,020.46 : 543,769.23 = 224,309.26 : x
  2. Step 2: Convert to fraction form
    394,020.46/543,769.23 = 224,309.26/x
  3. Step 3: Cross multiply
    394,020.46x = 543,769.23 × 224,309.26
  4. Step 4: Simplify right side
    394,020.46x = 121,972,473,592.07
  5. Step 5: Solve for x
    x = 121,972,473,592.07/394,020.46
  6. Step 6: Final answer
    x = 309,558.73

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1.5x scale

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.