Home / 557,923.14-769,933.35-303,276.15

Finding the Fourth Proportional to 557,923.14, 769,933.35 and 303,276.15

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Solution

The fourth proportional to 557,923.14, 769,933.35 and 303,276.15 is: 418,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,923.14 : 769,933.35 = 303,276.15 : x
  2. Step 2: Convert to fraction form
    557,923.14/769,933.35 = 303,276.15/x
  3. Step 3: Cross multiply
    557,923.14x = 769,933.35 × 303,276.15
  4. Step 4: Simplify right side
    557,923.14x = 233,502,422,144.60
  5. Step 5: Solve for x
    x = 233,502,422,144.60/557,923.14
  6. Step 6: Final answer
    x = 418,520.77

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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.