Home / 384,939.86-531,285.64-232,005.38

Finding the Fourth Proportional to 384,939.86, 531,285.64 and 232,005.38

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Solution

The fourth proportional to 384,939.86, 531,285.64 and 232,005.38 is: 320,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,939.86 : 531,285.64 = 232,005.38 : x
  2. Step 2: Convert to fraction form
    384,939.86/531,285.64 = 232,005.38/x
  3. Step 3: Cross multiply
    384,939.86x = 531,285.64 × 232,005.38
  4. Step 4: Simplify right side
    384,939.86x = 123,261,126,796.74
  5. Step 5: Solve for x
    x = 123,261,126,796.74/384,939.86
  6. Step 6: Final answer
    x = 320,208.79

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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.