Home / 568,110.25-784,008.55-313,477.84

Finding the Fourth Proportional to 568,110.25, 784,008.55 and 313,477.84

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Solution

The fourth proportional to 568,110.25, 784,008.55 and 313,477.84 is: 432,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,110.25 : 784,008.55 = 313,477.84 : x
  2. Step 2: Convert to fraction form
    568,110.25/784,008.55 = 313,477.84/x
  3. Step 3: Cross multiply
    568,110.25x = 784,008.55 × 313,477.84
  4. Step 4: Simplify right side
    568,110.25x = 245,769,306,795.53
  5. Step 5: Solve for x
    x = 245,769,306,795.53/568,110.25
  6. Step 6: Final answer
    x = 432,608.47

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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.