Home / 406,634.85-609,845.58-122,249.25

Finding the Fourth Proportional to 406,634.85, 609,845.58 and 122,249.25

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Solution

The fourth proportional to 406,634.85, 609,845.58 and 122,249.25 is: 183,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,634.85 : 609,845.58 = 122,249.25 : x
  2. Step 2: Convert to fraction form
    406,634.85/609,845.58 = 122,249.25/x
  3. Step 3: Cross multiply
    406,634.85x = 609,845.58 × 122,249.25
  4. Step 4: Simplify right side
    406,634.85x = 74,553,164,770.82
  5. Step 5: Solve for x
    x = 74,553,164,770.82/406,634.85
  6. Step 6: Final answer
    x = 183,341.80

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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.