Home / 412,367.80-618,529.22-112,826.77

Finding the Fourth Proportional to 412,367.80, 618,529.22 and 112,826.77

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Solution

The fourth proportional to 412,367.80, 618,529.22 and 112,826.77 is: 169,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,367.80 : 618,529.22 = 112,826.77 : x
  2. Step 2: Convert to fraction form
    412,367.80/618,529.22 = 112,826.77/x
  3. Step 3: Cross multiply
    412,367.80x = 618,529.22 × 112,826.77
  4. Step 4: Simplify right side
    412,367.80x = 69,786,650,386.44
  5. Step 5: Solve for x
    x = 69,786,650,386.44/412,367.80
  6. Step 6: Final answer
    x = 169,234.00

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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.