Home / 418,631.70-627,947.55-222,023.70

Finding the Fourth Proportional to 418,631.70, 627,947.55 and 222,023.70

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Solution

The fourth proportional to 418,631.70, 627,947.55 and 222,023.70 is: 333,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,631.70 : 627,947.55 = 222,023.70 : x
  2. Step 2: Convert to fraction form
    418,631.70/627,947.55 = 222,023.70/x
  3. Step 3: Cross multiply
    418,631.70x = 627,947.55 × 222,023.70
  4. Step 4: Simplify right side
    418,631.70x = 139,419,238,456.94
  5. Step 5: Solve for x
    x = 139,419,238,456.94/418,631.70
  6. Step 6: Final answer
    x = 333,035.55

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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.