Home / 285,795.70-394,072.85-233,947.87

Finding the Fourth Proportional to 285,795.70, 394,072.85 and 233,947.87

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Solution

The fourth proportional to 285,795.70, 394,072.85 and 233,947.87 is: 322,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,795.70 : 394,072.85 = 233,947.87 : x
  2. Step 2: Convert to fraction form
    285,795.70/394,072.85 = 233,947.87/x
  3. Step 3: Cross multiply
    285,795.70x = 394,072.85 × 233,947.87
  4. Step 4: Simplify right side
    285,795.70x = 92,192,503,482.02
  5. Step 5: Solve for x
    x = 92,192,503,482.02/285,795.70
  6. Step 6: Final answer
    x = 322,581.85

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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.