Home / 854,108.20-1,281,162.30-539,957.80

Finding the Fourth Proportional to 854,108.20, 1,281,162.30 and 539,957.80

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Solution

The fourth proportional to 854,108.20, 1,281,162.30 and 539,957.80 is: 809,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,108.20 : 1,281,162.30 = 539,957.80 : x
  2. Step 2: Convert to fraction form
    854,108.20/1,281,162.30 = 539,957.80/x
  3. Step 3: Cross multiply
    854,108.20x = 1,281,162.30 × 539,957.80
  4. Step 4: Simplify right side
    854,108.20x = 691,773,576,950.94
  5. Step 5: Solve for x
    x = 691,773,576,950.94/854,108.20
  6. Step 6: Final answer
    x = 809,936.70

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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.