Home / 516,577.77-774,845.19-179,694.72

Finding the Fourth Proportional to 516,577.77, 774,845.19 and 179,694.72

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Solution

The fourth proportional to 516,577.77, 774,845.19 and 179,694.72 is: 269,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,577.77 : 774,845.19 = 179,694.72 : x
  2. Step 2: Convert to fraction form
    516,577.77/774,845.19 = 179,694.72/x
  3. Step 3: Cross multiply
    516,577.77x = 774,845.19 × 179,694.72
  4. Step 4: Simplify right side
    516,577.77x = 139,235,589,460.40
  5. Step 5: Solve for x
    x = 139,235,589,460.40/516,577.77
  6. Step 6: Final answer
    x = 269,534.61

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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.