Home / 394,358.10-591,743.70-181,190.40

Finding the Fourth Proportional to 394,358.10, 591,743.70 and 181,190.40

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Solution

The fourth proportional to 394,358.10, 591,743.70 and 181,190.40 is: 271,880.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,358.10 : 591,743.70 = 181,190.40 : x
  2. Step 2: Convert to fraction form
    394,358.10/591,743.70 = 181,190.40/x
  3. Step 3: Cross multiply
    394,358.10x = 591,743.70 × 181,190.40
  4. Step 4: Simplify right side
    394,358.10x = 107,218,277,700.48
  5. Step 5: Solve for x
    x = 107,218,277,700.48/394,358.10
  6. Step 6: Final answer
    x = 271,880.50

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1.5x scale

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.