Home / 1,764,210.72-2,647,190.40-699,228.96

Finding the Fourth Proportional to 1,764,210.72, 2,647,190.40 and 699,228.96

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Solution

The fourth proportional to 1,764,210.72, 2,647,190.40 and 699,228.96 is: 1,049,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,210.72 : 2,647,190.40 = 699,228.96 : x
  2. Step 2: Convert to fraction form
    1,764,210.72/2,647,190.40 = 699,228.96/x
  3. Step 3: Cross multiply
    1,764,210.72x = 2,647,190.40 × 699,228.96
  4. Step 4: Simplify right side
    1,764,210.72x = 1,850,992,190,313.98
  5. Step 5: Solve for x
    x = 1,850,992,190,313.98/1,764,210.72
  6. Step 6: Final answer
    x = 1,049,189.97

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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.