Home / 394,822.25-544,921.69-222,788.98

Finding the Fourth Proportional to 394,822.25, 544,921.69 and 222,788.98

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Solution

The fourth proportional to 394,822.25, 544,921.69 and 222,788.98 is: 307,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,822.25 : 544,921.69 = 222,788.98 : x
  2. Step 2: Convert to fraction form
    394,822.25/544,921.69 = 222,788.98/x
  3. Step 3: Cross multiply
    394,822.25x = 544,921.69 × 222,788.98
  4. Step 4: Simplify right side
    394,822.25x = 121,402,547,494.98
  5. Step 5: Solve for x
    x = 121,402,547,494.98/394,822.25
  6. Step 6: Final answer
    x = 307,486.59

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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.