Home / 394,536.03-544,448.79-222,452.49

Finding the Fourth Proportional to 394,536.03, 544,448.79 and 222,452.49

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Solution

The fourth proportional to 394,536.03, 544,448.79 and 222,452.49 is: 306,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,536.03 : 544,448.79 = 222,452.49 : x
  2. Step 2: Convert to fraction form
    394,536.03/544,448.79 = 222,452.49/x
  3. Step 3: Cross multiply
    394,536.03x = 544,448.79 × 222,452.49
  4. Step 4: Simplify right side
    394,536.03x = 121,113,989,012.99
  5. Step 5: Solve for x
    x = 121,113,989,012.99/394,536.03
  6. Step 6: Final answer
    x = 306,978.27

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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.