Home / 394,781.19-544,803.55-222,707.12

Finding the Fourth Proportional to 394,781.19, 544,803.55 and 222,707.12

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Solution

The fourth proportional to 394,781.19, 544,803.55 and 222,707.12 is: 307,338.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,781.19 : 544,803.55 = 222,707.12 : x
  2. Step 2: Convert to fraction form
    394,781.19/544,803.55 = 222,707.12/x
  3. Step 3: Cross multiply
    394,781.19x = 544,803.55 × 222,707.12
  4. Step 4: Simplify right side
    394,781.19x = 121,331,630,391.52
  5. Step 5: Solve for x
    x = 121,331,630,391.52/394,781.19
  6. Step 6: Final answer
    x = 307,338.93

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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.