Home / 1,611,609.11-2,223,974.18-886,456.80

Finding the Fourth Proportional to 1,611,609.11, 2,223,974.18 and 886,456.80

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Solution

The fourth proportional to 1,611,609.11, 2,223,974.18 and 886,456.80 is: 1,223,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,609.11 : 2,223,974.18 = 886,456.80 : x
  2. Step 2: Convert to fraction form
    1,611,609.11/2,223,974.18 = 886,456.80/x
  3. Step 3: Cross multiply
    1,611,609.11x = 2,223,974.18 × 886,456.80
  4. Step 4: Simplify right side
    1,611,609.11x = 1,971,457,030,453.14
  5. Step 5: Solve for x
    x = 1,971,457,030,453.14/1,611,609.11
  6. Step 6: Final answer
    x = 1,223,284.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.