Home / 1,227,234.20-1,840,851.30-328,814.60

Finding the Fourth Proportional to 1,227,234.20, 1,840,851.30 and 328,814.60

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Solution

The fourth proportional to 1,227,234.20, 1,840,851.30 and 328,814.60 is: 493,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,234.20 : 1,840,851.30 = 328,814.60 : x
  2. Step 2: Convert to fraction form
    1,227,234.20/1,840,851.30 = 328,814.60/x
  3. Step 3: Cross multiply
    1,227,234.20x = 1,840,851.30 × 328,814.60
  4. Step 4: Simplify right side
    1,227,234.20x = 605,298,783,868.98
  5. Step 5: Solve for x
    x = 605,298,783,868.98/1,227,234.20
  6. Step 6: Final answer
    x = 493,221.90

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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.