Home / 712,249.19-1,068,429.11-206,818.50

Finding the Fourth Proportional to 712,249.19, 1,068,429.11 and 206,818.50

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Solution

The fourth proportional to 712,249.19, 1,068,429.11 and 206,818.50 is: 310,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,249.19 : 1,068,429.11 = 206,818.50 : x
  2. Step 2: Convert to fraction form
    712,249.19/1,068,429.11 = 206,818.50/x
  3. Step 3: Cross multiply
    712,249.19x = 1,068,429.11 × 206,818.50
  4. Step 4: Simplify right side
    712,249.19x = 220,970,904,852.44
  5. Step 5: Solve for x
    x = 220,970,904,852.44/712,249.19
  6. Step 6: Final answer
    x = 310,243.82

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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.