Home / 1,329,723.40-1,995,233.10-619,385.80

Finding the Fourth Proportional to 1,329,723.40, 1,995,233.10 and 619,385.80

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Solution

The fourth proportional to 1,329,723.40, 1,995,233.10 and 619,385.80 is: 929,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,723.40 : 1,995,233.10 = 619,385.80 : x
  2. Step 2: Convert to fraction form
    1,329,723.40/1,995,233.10 = 619,385.80/x
  3. Step 3: Cross multiply
    1,329,723.40x = 1,995,233.10 × 619,385.80
  4. Step 4: Simplify right side
    1,329,723.40x = 1,235,819,049,829.98
  5. Step 5: Solve for x
    x = 1,235,819,049,829.98/1,329,723.40
  6. Step 6: Final answer
    x = 929,380.54

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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.