Home / 996,487.20-1,494,439.20-356,716.80

Finding the Fourth Proportional to 996,487.20, 1,494,439.20 and 356,716.80

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Solution

The fourth proportional to 996,487.20, 1,494,439.20 and 356,716.80 is: 534,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,487.20 : 1,494,439.20 = 356,716.80 : x
  2. Step 2: Convert to fraction form
    996,487.20/1,494,439.20 = 356,716.80/x
  3. Step 3: Cross multiply
    996,487.20x = 1,494,439.20 × 356,716.80
  4. Step 4: Simplify right side
    996,487.20x = 533,091,569,218.56
  5. Step 5: Solve for x
    x = 533,091,569,218.56/996,487.20
  6. Step 6: Final answer
    x = 534,970.81

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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.