Home / 1,993,706.20-2,990,559.30-930,824.20

Finding the Fourth Proportional to 1,993,706.20, 2,990,559.30 and 930,824.20

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Solution

The fourth proportional to 1,993,706.20, 2,990,559.30 and 930,824.20 is: 1,396,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,706.20 : 2,990,559.30 = 930,824.20 : x
  2. Step 2: Convert to fraction form
    1,993,706.20/2,990,559.30 = 930,824.20/x
  3. Step 3: Cross multiply
    1,993,706.20x = 2,990,559.30 × 930,824.20
  4. Step 4: Simplify right side
    1,993,706.20x = 2,783,684,967,975.06
  5. Step 5: Solve for x
    x = 2,783,684,967,975.06/1,993,706.20
  6. Step 6: Final answer
    x = 1,396,236.30

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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.