Home / 406,375.27-609,620.06-169,664.11

Finding the Fourth Proportional to 406,375.27, 609,620.06 and 169,664.11

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Solution

The fourth proportional to 406,375.27, 609,620.06 and 169,664.11 is: 254,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,375.27 : 609,620.06 = 169,664.11 : x
  2. Step 2: Convert to fraction form
    406,375.27/609,620.06 = 169,664.11/x
  3. Step 3: Cross multiply
    406,375.27x = 609,620.06 × 169,664.11
  4. Step 4: Simplify right side
    406,375.27x = 103,430,644,918.05
  5. Step 5: Solve for x
    x = 103,430,644,918.05/406,375.27
  6. Step 6: Final answer
    x = 254,520.03

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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.