Home / 411,914.07-568,148.25-378,031.89

Finding the Fourth Proportional to 411,914.07, 568,148.25 and 378,031.89

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Solution

The fourth proportional to 411,914.07, 568,148.25 and 378,031.89 is: 521,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,914.07 : 568,148.25 = 378,031.89 : x
  2. Step 2: Convert to fraction form
    411,914.07/568,148.25 = 378,031.89/x
  3. Step 3: Cross multiply
    411,914.07x = 568,148.25 × 378,031.89
  4. Step 4: Simplify right side
    411,914.07x = 214,778,156,747.69
  5. Step 5: Solve for x
    x = 214,778,156,747.69/411,914.07
  6. Step 6: Final answer
    x = 521,414.96

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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.