Home / 1,467,677.80-2,201,516.70-521,144.20

Finding the Fourth Proportional to 1,467,677.80, 2,201,516.70 and 521,144.20

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Solution

The fourth proportional to 1,467,677.80, 2,201,516.70 and 521,144.20 is: 781,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,677.80 : 2,201,516.70 = 521,144.20 : x
  2. Step 2: Convert to fraction form
    1,467,677.80/2,201,516.70 = 521,144.20/x
  3. Step 3: Cross multiply
    1,467,677.80x = 2,201,516.70 × 521,144.20
  4. Step 4: Simplify right side
    1,467,677.80x = 1,147,307,659,408.14
  5. Step 5: Solve for x
    x = 1,147,307,659,408.14/1,467,677.80
  6. Step 6: Final answer
    x = 781,716.30

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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.