Home / 568,775.66-784,905.59-314,121.38

Finding the Fourth Proportional to 568,775.66, 784,905.59 and 314,121.38

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Solution

The fourth proportional to 568,775.66, 784,905.59 and 314,121.38 is: 433,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,775.66 : 784,905.59 = 314,121.38 : x
  2. Step 2: Convert to fraction form
    568,775.66/784,905.59 = 314,121.38/x
  3. Step 3: Cross multiply
    568,775.66x = 784,905.59 × 314,121.38
  4. Step 4: Simplify right side
    568,775.66x = 246,555,623,961.29
  5. Step 5: Solve for x
    x = 246,555,623,961.29/568,775.66
  6. Step 6: Final answer
    x = 433,484.84

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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.