Home / 510,943.26-705,101.91-296,207.79

Finding the Fourth Proportional to 510,943.26, 705,101.91 and 296,207.79

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Solution

The fourth proportional to 510,943.26, 705,101.91 and 296,207.79 is: 408,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,943.26 : 705,101.91 = 296,207.79 : x
  2. Step 2: Convert to fraction form
    510,943.26/705,101.91 = 296,207.79/x
  3. Step 3: Cross multiply
    510,943.26x = 705,101.91 × 296,207.79
  4. Step 4: Simplify right side
    510,943.26x = 208,856,678,485.88
  5. Step 5: Solve for x
    x = 208,856,678,485.88/510,943.26
  6. Step 6: Final answer
    x = 408,766.87

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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.