Home / 516,579.77-774,848.19-179,696.72

Finding the Fourth Proportional to 516,579.77, 774,848.19 and 179,696.72

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Solution

The fourth proportional to 516,579.77, 774,848.19 and 179,696.72 is: 269,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,579.77 : 774,848.19 = 179,696.72 : x
  2. Step 2: Convert to fraction form
    516,579.77/774,848.19 = 179,696.72/x
  3. Step 3: Cross multiply
    516,579.77x = 774,848.19 × 179,696.72
  4. Step 4: Simplify right side
    516,579.77x = 139,237,678,240.94
  5. Step 5: Solve for x
    x = 139,237,678,240.94/516,579.77
  6. Step 6: Final answer
    x = 269,537.61

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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.