Home / 467,004.42-644,514.66-285,837.12

Finding the Fourth Proportional to 467,004.42, 644,514.66 and 285,837.12

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Solution

The fourth proportional to 467,004.42, 644,514.66 and 285,837.12 is: 394,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,004.42 : 644,514.66 = 285,837.12 : x
  2. Step 2: Convert to fraction form
    467,004.42/644,514.66 = 285,837.12/x
  3. Step 3: Cross multiply
    467,004.42x = 644,514.66 × 285,837.12
  4. Step 4: Simplify right side
    467,004.42x = 184,226,214,212.18
  5. Step 5: Solve for x
    x = 184,226,214,212.18/467,004.42
  6. Step 6: Final answer
    x = 394,484.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.