Home / 557,775.68-769,736.44-303,126.92

Finding the Fourth Proportional to 557,775.68, 769,736.44 and 303,126.92

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Solution

The fourth proportional to 557,775.68, 769,736.44 and 303,126.92 is: 418,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,775.68 : 769,736.44 = 303,126.92 : x
  2. Step 2: Convert to fraction form
    557,775.68/769,736.44 = 303,126.92/x
  3. Step 3: Cross multiply
    557,775.68x = 769,736.44 × 303,126.92
  4. Step 4: Simplify right side
    557,775.68x = 233,327,836,268.97
  5. Step 5: Solve for x
    x = 233,327,836,268.97/557,775.68
  6. Step 6: Final answer
    x = 418,318.41

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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.