Home / 499,789.77-749,684.07-162,829.95

Finding the Fourth Proportional to 499,789.77, 749,684.07 and 162,829.95

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Solution

The fourth proportional to 499,789.77, 749,684.07 and 162,829.95 is: 244,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,789.77 : 749,684.07 = 162,829.95 : x
  2. Step 2: Convert to fraction form
    499,789.77/749,684.07 = 162,829.95/x
  3. Step 3: Cross multiply
    499,789.77x = 749,684.07 × 162,829.95
  4. Step 4: Simplify right side
    499,789.77x = 122,071,019,633.90
  5. Step 5: Solve for x
    x = 122,071,019,633.90/499,789.77
  6. Step 6: Final answer
    x = 244,244.73

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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.