Home / 627,015.48-940,506.78-222,201.78

Finding the Fourth Proportional to 627,015.48, 940,506.78 and 222,201.78

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Solution

The fourth proportional to 627,015.48, 940,506.78 and 222,201.78 is: 333,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,015.48 : 940,506.78 = 222,201.78 : x
  2. Step 2: Convert to fraction form
    627,015.48/940,506.78 = 222,201.78/x
  3. Step 3: Cross multiply
    627,015.48x = 940,506.78 × 222,201.78
  4. Step 4: Simplify right side
    627,015.48x = 208,982,280,618.07
  5. Step 5: Solve for x
    x = 208,982,280,618.07/627,015.48
  6. Step 6: Final answer
    x = 333,296.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.