Home / 557,933.14-769,947.15-303,286.15

Finding the Fourth Proportional to 557,933.14, 769,947.15 and 303,286.15

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Solution

The fourth proportional to 557,933.14, 769,947.15 and 303,286.15 is: 418,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,933.14 : 769,947.15 = 303,286.15 : x
  2. Step 2: Convert to fraction form
    557,933.14/769,947.15 = 303,286.15/x
  3. Step 3: Cross multiply
    557,933.14x = 769,947.15 × 303,286.15
  4. Step 4: Simplify right side
    557,933.14x = 233,514,306,826.97
  5. Step 5: Solve for x
    x = 233,514,306,826.97/557,933.14
  6. Step 6: Final answer
    x = 418,534.57

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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.