Home / 469,401.28-704,357.37-199,487.21

Finding the Fourth Proportional to 469,401.28, 704,357.37 and 199,487.21

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Solution

The fourth proportional to 469,401.28, 704,357.37 and 199,487.21 is: 299,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,401.28 : 704,357.37 = 199,487.21 : x
  2. Step 2: Convert to fraction form
    469,401.28/704,357.37 = 199,487.21/x
  3. Step 3: Cross multiply
    469,401.28x = 704,357.37 × 199,487.21
  4. Step 4: Simplify right side
    469,401.28x = 140,510,283,062.45
  5. Step 5: Solve for x
    x = 140,510,283,062.45/469,401.28
  6. Step 6: Final answer
    x = 299,339.37

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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.