Home / 516,531.88-774,354.03-179,528.77

Finding the Fourth Proportional to 516,531.88, 774,354.03 and 179,528.77

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Solution

The fourth proportional to 516,531.88, 774,354.03 and 179,528.77 is: 269,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,531.88 : 774,354.03 = 179,528.77 : x
  2. Step 2: Convert to fraction form
    516,531.88/774,354.03 = 179,528.77/x
  3. Step 3: Cross multiply
    516,531.88x = 774,354.03 × 179,528.77
  4. Step 4: Simplify right side
    516,531.88x = 139,018,826,550.44
  5. Step 5: Solve for x
    x = 139,018,826,550.44/516,531.88
  6. Step 6: Final answer
    x = 269,138.91

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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.