Home / 1,611,121.21-2,416,684.89-413,047.76

Finding the Fourth Proportional to 1,611,121.21, 2,416,684.89 and 413,047.76

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Solution

The fourth proportional to 1,611,121.21, 2,416,684.89 and 413,047.76 is: 619,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,121.21 : 2,416,684.89 = 413,047.76 : x
  2. Step 2: Convert to fraction form
    1,611,121.21/2,416,684.89 = 413,047.76/x
  3. Step 3: Cross multiply
    1,611,121.21x = 2,416,684.89 × 413,047.76
  4. Step 4: Simplify right side
    1,611,121.21x = 998,206,268,744.15
  5. Step 5: Solve for x
    x = 998,206,268,744.15/1,611,121.21
  6. Step 6: Final answer
    x = 619,572.42

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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.