Home / 406,410.24-609,392.64-125,849.60

Finding the Fourth Proportional to 406,410.24, 609,392.64 and 125,849.60

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Solution

The fourth proportional to 406,410.24, 609,392.64 and 125,849.60 is: 188,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,410.24 : 609,392.64 = 125,849.60 : x
  2. Step 2: Convert to fraction form
    406,410.24/609,392.64 = 125,849.60/x
  3. Step 3: Cross multiply
    406,410.24x = 609,392.64 × 125,849.60
  4. Step 4: Simplify right side
    406,410.24x = 76,691,819,986.94
  5. Step 5: Solve for x
    x = 76,691,819,986.94/406,410.24
  6. Step 6: Final answer
    x = 188,705.43

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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.