Home / 497,789.80-746,683.26-123,812.80

Finding the Fourth Proportional to 497,789.80, 746,683.26 and 123,812.80

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Solution

The fourth proportional to 497,789.80, 746,683.26 and 123,812.80 is: 185,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,789.80 : 746,683.26 = 123,812.80 : x
  2. Step 2: Convert to fraction form
    497,789.80/746,683.26 = 123,812.80/x
  3. Step 3: Cross multiply
    497,789.80x = 746,683.26 × 123,812.80
  4. Step 4: Simplify right side
    497,789.80x = 92,448,945,133.73
  5. Step 5: Solve for x
    x = 92,448,945,133.73/497,789.80
  6. Step 6: Final answer
    x = 185,718.84

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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.