Home / 534,932.60-802,139.70-298,023.80

Finding the Fourth Proportional to 534,932.60, 802,139.70 and 298,023.80

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Solution

The fourth proportional to 534,932.60, 802,139.70 and 298,023.80 is: 446,891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,932.60 : 802,139.70 = 298,023.80 : x
  2. Step 2: Convert to fraction form
    534,932.60/802,139.70 = 298,023.80/x
  3. Step 3: Cross multiply
    534,932.60x = 802,139.70 × 298,023.80
  4. Step 4: Simplify right side
    534,932.60x = 239,056,721,524.86
  5. Step 5: Solve for x
    x = 239,056,721,524.86/534,932.60
  6. Step 6: Final answer
    x = 446,891.29

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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.