Home / 1,028,757.72-1,419,697.08-569,879.36

Finding the Fourth Proportional to 1,028,757.72, 1,419,697.08 and 569,879.36

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Solution

The fourth proportional to 1,028,757.72, 1,419,697.08 and 569,879.36 is: 786,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,757.72 : 1,419,697.08 = 569,879.36 : x
  2. Step 2: Convert to fraction form
    1,028,757.72/1,419,697.08 = 569,879.36/x
  3. Step 3: Cross multiply
    1,028,757.72x = 1,419,697.08 × 569,879.36
  4. Step 4: Simplify right side
    1,028,757.72x = 809,056,056,245.78
  5. Step 5: Solve for x
    x = 809,056,056,245.78/1,028,757.72
  6. Step 6: Final answer
    x = 786,439.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.