Home / 1,169,418.21-1,613,780.11-653,179.44

Finding the Fourth Proportional to 1,169,418.21, 1,613,780.11 and 653,179.44

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Solution

The fourth proportional to 1,169,418.21, 1,613,780.11 and 653,179.44 is: 901,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,418.21 : 1,613,780.11 = 653,179.44 : x
  2. Step 2: Convert to fraction form
    1,169,418.21/1,613,780.11 = 653,179.44/x
  3. Step 3: Cross multiply
    1,169,418.21x = 1,613,780.11 × 653,179.44
  4. Step 4: Simplify right side
    1,169,418.21x = 1,054,087,995,401.09
  5. Step 5: Solve for x
    x = 1,054,087,995,401.09/1,169,418.21
  6. Step 6: Final answer
    x = 901,378.13

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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.