Home / 829,818.80-1,244,793.64-408,865.20

Finding the Fourth Proportional to 829,818.80, 1,244,793.64 and 408,865.20

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Solution

The fourth proportional to 829,818.80, 1,244,793.64 and 408,865.20 is: 613,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,818.80 : 1,244,793.64 = 408,865.20 : x
  2. Step 2: Convert to fraction form
    829,818.80/1,244,793.64 = 408,865.20/x
  3. Step 3: Cross multiply
    829,818.80x = 1,244,793.64 × 408,865.20
  4. Step 4: Simplify right side
    829,818.80x = 508,952,800,577.33
  5. Step 5: Solve for x
    x = 508,952,800,577.33/829,818.80
  6. Step 6: Final answer
    x = 613,330.04

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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.