Home / 1,969,942.90-2,954,914.35-707,811.70

Finding the Fourth Proportional to 1,969,942.90, 2,954,914.35 and 707,811.70

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Solution

The fourth proportional to 1,969,942.90, 2,954,914.35 and 707,811.70 is: 1,061,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,942.90 : 2,954,914.35 = 707,811.70 : x
  2. Step 2: Convert to fraction form
    1,969,942.90/2,954,914.35 = 707,811.70/x
  3. Step 3: Cross multiply
    1,969,942.90x = 2,954,914.35 × 707,811.70
  4. Step 4: Simplify right side
    1,969,942.90x = 2,091,522,949,427.90
  5. Step 5: Solve for x
    x = 2,091,522,949,427.90/1,969,942.90
  6. Step 6: Final answer
    x = 1,061,717.55

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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.