Home / 394,746.75-544,749.57-222,664.14

Finding the Fourth Proportional to 394,746.75, 544,749.57 and 222,664.14

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Solution

The fourth proportional to 394,746.75, 544,749.57 and 222,664.14 is: 307,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,746.75 : 544,749.57 = 222,664.14 : x
  2. Step 2: Convert to fraction form
    394,746.75/544,749.57 = 222,664.14/x
  3. Step 3: Cross multiply
    394,746.75x = 544,749.57 × 222,664.14
  4. Step 4: Simplify right side
    394,746.75x = 121,296,194,519.42
  5. Step 5: Solve for x
    x = 121,296,194,519.42/394,746.75
  6. Step 6: Final answer
    x = 307,275.98

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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.