Home / 568,270.74-784,209.96-313,621.92

Finding the Fourth Proportional to 568,270.74, 784,209.96 and 313,621.92

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Solution

The fourth proportional to 568,270.74, 784,209.96 and 313,621.92 is: 432,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,270.74 : 784,209.96 = 313,621.92 : x
  2. Step 2: Convert to fraction form
    568,270.74/784,209.96 = 313,621.92/x
  3. Step 3: Cross multiply
    568,270.74x = 784,209.96 × 313,621.92
  4. Step 4: Simplify right side
    568,270.74x = 245,945,433,338.32
  5. Step 5: Solve for x
    x = 245,945,433,338.32/568,270.74
  6. Step 6: Final answer
    x = 432,796.23

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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.