Home / 568,100.20-783,994.68-313,467.79

Finding the Fourth Proportional to 568,100.20, 783,994.68 and 313,467.79

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Solution

The fourth proportional to 568,100.20, 783,994.68 and 313,467.79 is: 432,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,100.20 : 783,994.68 = 313,467.79 : x
  2. Step 2: Convert to fraction form
    568,100.20/783,994.68 = 313,467.79/x
  3. Step 3: Cross multiply
    568,100.20x = 783,994.68 × 313,467.79
  4. Step 4: Simplify right side
    568,100.20x = 245,757,079,711.36
  5. Step 5: Solve for x
    x = 245,757,079,711.36/568,100.20
  6. Step 6: Final answer
    x = 432,594.60

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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.