Home / 1,427,016.30-2,140,881.66-416,138.37

Finding the Fourth Proportional to 1,427,016.30, 2,140,881.66 and 416,138.37

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Solution

The fourth proportional to 1,427,016.30, 2,140,881.66 and 416,138.37 is: 624,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,016.30 : 2,140,881.66 = 416,138.37 : x
  2. Step 2: Convert to fraction form
    1,427,016.30/2,140,881.66 = 416,138.37/x
  3. Step 3: Cross multiply
    1,427,016.30x = 2,140,881.66 × 416,138.37
  4. Step 4: Simplify right side
    1,427,016.30x = 890,902,991,570.19
  5. Step 5: Solve for x
    x = 890,902,991,570.19/1,427,016.30
  6. Step 6: Final answer
    x = 624,311.71

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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.