Home / 411,821.53-568,020.74-377,939.43

Finding the Fourth Proportional to 411,821.53, 568,020.74 and 377,939.43

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Solution

The fourth proportional to 411,821.53, 568,020.74 and 377,939.43 is: 521,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,821.53 : 568,020.74 = 377,939.43 : x
  2. Step 2: Convert to fraction form
    411,821.53/568,020.74 = 377,939.43/x
  3. Step 3: Cross multiply
    411,821.53x = 568,020.74 × 377,939.43
  4. Step 4: Simplify right side
    411,821.53x = 214,677,432,814.08
  5. Step 5: Solve for x
    x = 214,677,432,814.08/411,821.53
  6. Step 6: Final answer
    x = 521,287.55

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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.