Home / 695,722.14-1,043,933.37-518,584.86

Finding the Fourth Proportional to 695,722.14, 1,043,933.37 and 518,584.86

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Solution

The fourth proportional to 695,722.14, 1,043,933.37 and 518,584.86 is: 778,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,722.14 : 1,043,933.37 = 518,584.86 : x
  2. Step 2: Convert to fraction form
    695,722.14/1,043,933.37 = 518,584.86/x
  3. Step 3: Cross multiply
    695,722.14x = 1,043,933.37 × 518,584.86
  4. Step 4: Simplify right side
    695,722.14x = 541,368,040,530.78
  5. Step 5: Solve for x
    x = 541,368,040,530.78/695,722.14
  6. Step 6: Final answer
    x = 778,138.30

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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.