Home / 1,693,423.68-2,540,578.20-982,768.56

Finding the Fourth Proportional to 1,693,423.68, 2,540,578.20 and 982,768.56

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Solution

The fourth proportional to 1,693,423.68, 2,540,578.20 and 982,768.56 is: 1,474,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,423.68 : 2,540,578.20 = 982,768.56 : x
  2. Step 2: Convert to fraction form
    1,693,423.68/2,540,578.20 = 982,768.56/x
  3. Step 3: Cross multiply
    1,693,423.68x = 2,540,578.20 × 982,768.56
  4. Step 4: Simplify right side
    1,693,423.68x = 2,496,800,379,181.39
  5. Step 5: Solve for x
    x = 2,496,800,379,181.39/1,693,423.68
  6. Step 6: Final answer
    x = 1,474,409.75

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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.