Home / 1,394,185.70-2,091,570.15-447,652.10

Finding the Fourth Proportional to 1,394,185.70, 2,091,570.15 and 447,652.10

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Solution

The fourth proportional to 1,394,185.70, 2,091,570.15 and 447,652.10 is: 671,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,185.70 : 2,091,570.15 = 447,652.10 : x
  2. Step 2: Convert to fraction form
    1,394,185.70/2,091,570.15 = 447,652.10/x
  3. Step 3: Cross multiply
    1,394,185.70x = 2,091,570.15 × 447,652.10
  4. Step 4: Simplify right side
    1,394,185.70x = 936,295,769,944.82
  5. Step 5: Solve for x
    x = 936,295,769,944.82/1,394,185.70
  6. Step 6: Final answer
    x = 671,571.78

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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.