Home / 739,295.20-1,108,942.80-664,499.80

Finding the Fourth Proportional to 739,295.20, 1,108,942.80 and 664,499.80

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Solution

The fourth proportional to 739,295.20, 1,108,942.80 and 664,499.80 is: 996,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,295.20 : 1,108,942.80 = 664,499.80 : x
  2. Step 2: Convert to fraction form
    739,295.20/1,108,942.80 = 664,499.80/x
  3. Step 3: Cross multiply
    739,295.20x = 1,108,942.80 × 664,499.80
  4. Step 4: Simplify right side
    739,295.20x = 736,892,268,811.44
  5. Step 5: Solve for x
    x = 736,892,268,811.44/739,295.20
  6. Step 6: Final answer
    x = 996,749.70

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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.