Home / 516,558.08-774,778.80-179,541.92

Finding the Fourth Proportional to 516,558.08, 774,778.80 and 179,541.92

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Solution

The fourth proportional to 516,558.08, 774,778.80 and 179,541.92 is: 269,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,558.08 : 774,778.80 = 179,541.92 : x
  2. Step 2: Convert to fraction form
    516,558.08/774,778.80 = 179,541.92/x
  3. Step 3: Cross multiply
    516,558.08x = 774,778.80 × 179,541.92
  4. Step 4: Simplify right side
    516,558.08x = 139,105,273,327.30
  5. Step 5: Solve for x
    x = 139,105,273,327.30/516,558.08
  6. Step 6: Final answer
    x = 269,292.61

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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.