Home / 673,243.07-1,008,992.09-273,419.38

Finding the Fourth Proportional to 673,243.07, 1,008,992.09 and 273,419.38

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Solution

The fourth proportional to 673,243.07, 1,008,992.09 and 273,419.38 is: 409,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,243.07 : 1,008,992.09 = 273,419.38 : x
  2. Step 2: Convert to fraction form
    673,243.07/1,008,992.09 = 273,419.38/x
  3. Step 3: Cross multiply
    673,243.07x = 1,008,992.09 × 273,419.38
  4. Step 4: Simplify right side
    673,243.07x = 275,877,987,783.13
  5. Step 5: Solve for x
    x = 275,877,987,783.13/673,243.07
  6. Step 6: Final answer
    x = 409,774.71

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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.