Home / 497,761.28-746,644.92-123,784.32

Finding the Fourth Proportional to 497,761.28, 746,644.92 and 123,784.32

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Solution

The fourth proportional to 497,761.28, 746,644.92 and 123,784.32 is: 185,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,761.28 : 746,644.92 = 123,784.32 : x
  2. Step 2: Convert to fraction form
    497,761.28/746,644.92 = 123,784.32/x
  3. Step 3: Cross multiply
    497,761.28x = 746,644.92 × 123,784.32
  4. Step 4: Simplify right side
    497,761.28x = 92,422,933,703.65
  5. Step 5: Solve for x
    x = 92,422,933,703.65/497,761.28
  6. Step 6: Final answer
    x = 185,677.23

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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.