Home / 406,961.90-610,270.05-196,664.30

Finding the Fourth Proportional to 406,961.90, 610,270.05 and 196,664.30

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Solution

The fourth proportional to 406,961.90, 610,270.05 and 196,664.30 is: 294,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,961.90 : 610,270.05 = 196,664.30 : x
  2. Step 2: Convert to fraction form
    406,961.90/610,270.05 = 196,664.30/x
  3. Step 3: Cross multiply
    406,961.90x = 610,270.05 × 196,664.30
  4. Step 4: Simplify right side
    406,961.90x = 120,018,332,194.22
  5. Step 5: Solve for x
    x = 120,018,332,194.22/406,961.90
  6. Step 6: Final answer
    x = 294,912.94

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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.