Home / 394,261.80-591,441.93-154,344.72

Finding the Fourth Proportional to 394,261.80, 591,441.93 and 154,344.72

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Solution

The fourth proportional to 394,261.80, 591,441.93 and 154,344.72 is: 231,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,261.80 : 591,441.93 = 154,344.72 : x
  2. Step 2: Convert to fraction form
    394,261.80/591,441.93 = 154,344.72/x
  3. Step 3: Cross multiply
    394,261.80x = 591,441.93 × 154,344.72
  4. Step 4: Simplify right side
    394,261.80x = 91,285,939,082.11
  5. Step 5: Solve for x
    x = 91,285,939,082.11/394,261.80
  6. Step 6: Final answer
    x = 231,536.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.