Home / 568,484.06-784,487.45-313,829.78

Finding the Fourth Proportional to 568,484.06, 784,487.45 and 313,829.78

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Solution

The fourth proportional to 568,484.06, 784,487.45 and 313,829.78 is: 433,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,484.06 : 784,487.45 = 313,829.78 : x
  2. Step 2: Convert to fraction form
    568,484.06/784,487.45 = 313,829.78/x
  3. Step 3: Cross multiply
    568,484.06x = 784,487.45 × 313,829.78
  4. Step 4: Simplify right side
    568,484.06x = 246,195,522,277.11
  5. Step 5: Solve for x
    x = 246,195,522,277.11/568,484.06
  6. Step 6: Final answer
    x = 433,073.75

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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.