Home / 422,914.26-634,488.48-195,279.35

Finding the Fourth Proportional to 422,914.26, 634,488.48 and 195,279.35

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Solution

The fourth proportional to 422,914.26, 634,488.48 and 195,279.35 is: 292,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,914.26 : 634,488.48 = 195,279.35 : x
  2. Step 2: Convert to fraction form
    422,914.26/634,488.48 = 195,279.35/x
  3. Step 3: Cross multiply
    422,914.26x = 634,488.48 × 195,279.35
  4. Step 4: Simplify right side
    422,914.26x = 123,902,497,956.89
  5. Step 5: Solve for x
    x = 123,902,497,956.89/422,914.26
  6. Step 6: Final answer
    x = 292,973.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.