Home / 738,789.20-1,108,183.80-734,123.60

Finding the Fourth Proportional to 738,789.20, 1,108,183.80 and 734,123.60

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Solution

The fourth proportional to 738,789.20, 1,108,183.80 and 734,123.60 is: 1,101,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,789.20 : 1,108,183.80 = 734,123.60 : x
  2. Step 2: Convert to fraction form
    738,789.20/1,108,183.80 = 734,123.60/x
  3. Step 3: Cross multiply
    738,789.20x = 1,108,183.80 × 734,123.60
  4. Step 4: Simplify right side
    738,789.20x = 813,543,880,717.68
  5. Step 5: Solve for x
    x = 813,543,880,717.68/738,789.20
  6. Step 6: Final answer
    x = 1,101,185.40

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1.5x scale

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.