Home / 410,198.90-614,314.20-199,590.80

Finding the Fourth Proportional to 410,198.90, 614,314.20 and 199,590.80

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Solution

The fourth proportional to 410,198.90, 614,314.20 and 199,590.80 is: 298,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,198.90 : 614,314.20 = 199,590.80 : x
  2. Step 2: Convert to fraction form
    410,198.90/614,314.20 = 199,590.80/x
  3. Step 3: Cross multiply
    410,198.90x = 614,314.20 × 199,590.80
  4. Step 4: Simplify right side
    410,198.90x = 122,611,462,629.36
  5. Step 5: Solve for x
    x = 122,611,462,629.36/410,198.90
  6. Step 6: Final answer
    x = 298,907.34

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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.