Home / 442,961.44-611,243.76-251,936.80

Finding the Fourth Proportional to 442,961.44, 611,243.76 and 251,936.80

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Solution

The fourth proportional to 442,961.44, 611,243.76 and 251,936.80 is: 347,648.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,961.44 : 611,243.76 = 251,936.80 : x
  2. Step 2: Convert to fraction form
    442,961.44/611,243.76 = 251,936.80/x
  3. Step 3: Cross multiply
    442,961.44x = 611,243.76 × 251,936.80
  4. Step 4: Simplify right side
    442,961.44x = 153,994,796,914.37
  5. Step 5: Solve for x
    x = 153,994,796,914.37/442,961.44
  6. Step 6: Final answer
    x = 347,648.31

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1.5x scale

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.