Home / 394,860.33-544,907.37-222,814.77

Finding the Fourth Proportional to 394,860.33, 544,907.37 and 222,814.77

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Solution

The fourth proportional to 394,860.33, 544,907.37 and 222,814.77 is: 307,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,860.33 : 544,907.37 = 222,814.77 : x
  2. Step 2: Convert to fraction form
    394,860.33/544,907.37 = 222,814.77/x
  3. Step 3: Cross multiply
    394,860.33x = 544,907.37 × 222,814.77
  4. Step 4: Simplify right side
    394,860.33x = 121,413,410,317.86
  5. Step 5: Solve for x
    x = 121,413,410,317.86/394,860.33
  6. Step 6: Final answer
    x = 307,484.45

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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.