Home / 767,866.35-1,150,137.32-500,816.73

Finding the Fourth Proportional to 767,866.35, 1,150,137.32 and 500,816.73

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Solution

The fourth proportional to 767,866.35, 1,150,137.32 and 500,816.73 is: 750,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,866.35 : 1,150,137.32 = 500,816.73 : x
  2. Step 2: Convert to fraction form
    767,866.35/1,150,137.32 = 500,816.73/x
  3. Step 3: Cross multiply
    767,866.35x = 1,150,137.32 × 500,816.73
  4. Step 4: Simplify right side
    767,866.35x = 576,008,009,149.28
  5. Step 5: Solve for x
    x = 576,008,009,149.28/767,866.35
  6. Step 6: Final answer
    x = 750,140.97

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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.