Home / 681,954.70-1,022,932.05-416,234.20

Finding the Fourth Proportional to 681,954.70, 1,022,932.05 and 416,234.20

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Solution

The fourth proportional to 681,954.70, 1,022,932.05 and 416,234.20 is: 624,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,954.70 : 1,022,932.05 = 416,234.20 : x
  2. Step 2: Convert to fraction form
    681,954.70/1,022,932.05 = 416,234.20/x
  3. Step 3: Cross multiply
    681,954.70x = 1,022,932.05 × 416,234.20
  4. Step 4: Simplify right side
    681,954.70x = 425,779,303,486.11
  5. Step 5: Solve for x
    x = 425,779,303,486.11/681,954.70
  6. Step 6: Final answer
    x = 624,351.30

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Double scale
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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.