Home / 481,983.20-722,836.56-186,426.08

Finding the Fourth Proportional to 481,983.20, 722,836.56 and 186,426.08

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Solution

The fourth proportional to 481,983.20, 722,836.56 and 186,426.08 is: 279,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,983.20 : 722,836.56 = 186,426.08 : x
  2. Step 2: Convert to fraction form
    481,983.20/722,836.56 = 186,426.08/x
  3. Step 3: Cross multiply
    481,983.20x = 722,836.56 × 186,426.08
  4. Step 4: Simplify right side
    481,983.20x = 134,755,586,361.49
  5. Step 5: Solve for x
    x = 134,755,586,361.49/481,983.20
  6. Step 6: Final answer
    x = 279,585.65

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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.