Home / 394,853.03-544,896.60-222,770.75

Finding the Fourth Proportional to 394,853.03, 544,896.60 and 222,770.75

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Solution

The fourth proportional to 394,853.03, 544,896.60 and 222,770.75 is: 307,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,853.03 : 544,896.60 = 222,770.75 : x
  2. Step 2: Convert to fraction form
    394,853.03/544,896.60 = 222,770.75/x
  3. Step 3: Cross multiply
    394,853.03x = 544,896.60 × 222,770.75
  4. Step 4: Simplify right side
    394,853.03x = 121,387,024,254.45
  5. Step 5: Solve for x
    x = 121,387,024,254.45/394,853.03
  6. Step 6: Final answer
    x = 307,423.31

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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.