Home / 2,780,673.80-4,171,010.70-985,584.20

Finding the Fourth Proportional to 2,780,673.80, 4,171,010.70 and 985,584.20

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Solution

The fourth proportional to 2,780,673.80, 4,171,010.70 and 985,584.20 is: 1,478,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,673.80 : 4,171,010.70 = 985,584.20 : x
  2. Step 2: Convert to fraction form
    2,780,673.80/4,171,010.70 = 985,584.20/x
  3. Step 3: Cross multiply
    2,780,673.80x = 4,171,010.70 × 985,584.20
  4. Step 4: Simplify right side
    2,780,673.80x = 4,110,882,243,950.94
  5. Step 5: Solve for x
    x = 4,110,882,243,950.94/2,780,673.80
  6. Step 6: Final answer
    x = 1,478,376.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.