Home / 557,939.43-769,952.75-303,290.62

Finding the Fourth Proportional to 557,939.43, 769,952.75 and 303,290.62

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Solution

The fourth proportional to 557,939.43, 769,952.75 and 303,290.62 is: 418,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,939.43 : 769,952.75 = 303,290.62 : x
  2. Step 2: Convert to fraction form
    557,939.43/769,952.75 = 303,290.62/x
  3. Step 3: Cross multiply
    557,939.43x = 769,952.75 × 303,290.62
  4. Step 4: Simplify right side
    557,939.43x = 233,519,446,918.21
  5. Step 5: Solve for x
    x = 233,519,446,918.21/557,939.43
  6. Step 6: Final answer
    x = 418,539.06

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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.