Home / 1,028,540.92-1,536,556.62-665,756.50

Finding the Fourth Proportional to 1,028,540.92, 1,536,556.62 and 665,756.50

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Solution

The fourth proportional to 1,028,540.92, 1,536,556.62 and 665,756.50 is: 994,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,540.92 : 1,536,556.62 = 665,756.50 : x
  2. Step 2: Convert to fraction form
    1,028,540.92/1,536,556.62 = 665,756.50/x
  3. Step 3: Cross multiply
    1,028,540.92x = 1,536,556.62 × 665,756.50
  4. Step 4: Simplify right side
    1,028,540.92x = 1,022,972,557,383.03
  5. Step 5: Solve for x
    x = 1,022,972,557,383.03/1,028,540.92
  6. Step 6: Final answer
    x = 994,586.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.