Home / 496,721.01-685,455.94-281,848.26

Finding the Fourth Proportional to 496,721.01, 685,455.94 and 281,848.26

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Solution

The fourth proportional to 496,721.01, 685,455.94 and 281,848.26 is: 388,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,721.01 : 685,455.94 = 281,848.26 : x
  2. Step 2: Convert to fraction form
    496,721.01/685,455.94 = 281,848.26/x
  3. Step 3: Cross multiply
    496,721.01x = 685,455.94 × 281,848.26
  4. Step 4: Simplify right side
    496,721.01x = 193,194,563,995.66
  5. Step 5: Solve for x
    x = 193,194,563,995.66/496,721.01
  6. Step 6: Final answer
    x = 388,939.79

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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.