Home / 665,623.50-998,435.25-222,391.50

Finding the Fourth Proportional to 665,623.50, 998,435.25 and 222,391.50

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Solution

The fourth proportional to 665,623.50, 998,435.25 and 222,391.50 is: 333,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,623.50 : 998,435.25 = 222,391.50 : x
  2. Step 2: Convert to fraction form
    665,623.50/998,435.25 = 222,391.50/x
  3. Step 3: Cross multiply
    665,623.50x = 998,435.25 × 222,391.50
  4. Step 4: Simplify right side
    665,623.50x = 222,043,512,900.38
  5. Step 5: Solve for x
    x = 222,043,512,900.38/665,623.50
  6. Step 6: Final answer
    x = 333,587.25

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Similar ratio
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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.