Home / 557,936.26-769,956.51-303,286.84

Finding the Fourth Proportional to 557,936.26, 769,956.51 and 303,286.84

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Solution

The fourth proportional to 557,936.26, 769,956.51 and 303,286.84 is: 418,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,936.26 : 769,956.51 = 303,286.84 : x
  2. Step 2: Convert to fraction form
    557,936.26/769,956.51 = 303,286.84/x
  3. Step 3: Cross multiply
    557,936.26x = 769,956.51 × 303,286.84
  4. Step 4: Simplify right side
    557,936.26x = 233,517,676,855.33
  5. Step 5: Solve for x
    x = 233,517,676,855.33/557,936.26
  6. Step 6: Final answer
    x = 418,538.27

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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.