Home / 319,026.24-478,647.92-200,558.88

Finding the Fourth Proportional to 319,026.24, 478,647.92 and 200,558.88

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Solution

The fourth proportional to 319,026.24, 478,647.92 and 200,558.88 is: 300,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,026.24 : 478,647.92 = 200,558.88 : x
  2. Step 2: Convert to fraction form
    319,026.24/478,647.92 = 200,558.88/x
  3. Step 3: Cross multiply
    319,026.24x = 478,647.92 × 200,558.88
  4. Step 4: Simplify right side
    319,026.24x = 95,997,090,749.53
  5. Step 5: Solve for x
    x = 95,997,090,749.53/319,026.24
  6. Step 6: Final answer
    x = 300,906.57

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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.