Home / 2,080,742-3,121,113-504,806

Finding the Fourth Proportional to 2,080,742, 3,121,113 and 504,806

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Solution

The fourth proportional to 2,080,742, 3,121,113 and 504,806 is: 757,209

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,742 : 3,121,113 = 504,806 : x
  2. Step 2: Convert to fraction form
    2,080,742/3,121,113 = 504,806/x
  3. Step 3: Cross multiply
    2,080,742x = 3,121,113 × 504,806
  4. Step 4: Simplify right side
    2,080,742x = 1,575,556,569,078
  5. Step 5: Solve for x
    x = 1,575,556,569,078/2,080,742
  6. Step 6: Final answer
    x = 757,209

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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.