Home / 557,621.32-769,524.42-302,976.76

Finding the Fourth Proportional to 557,621.32, 769,524.42 and 302,976.76

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Solution

The fourth proportional to 557,621.32, 769,524.42 and 302,976.76 is: 418,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,621.32 : 769,524.42 = 302,976.76 : x
  2. Step 2: Convert to fraction form
    557,621.32/769,524.42 = 302,976.76/x
  3. Step 3: Cross multiply
    557,621.32x = 769,524.42 × 302,976.76
  4. Step 4: Simplify right side
    557,621.32x = 233,148,015,512.48
  5. Step 5: Solve for x
    x = 233,148,015,512.48/557,621.32
  6. Step 6: Final answer
    x = 418,111.73

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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.