Home / 739,297.48-1,109,013.83-206,816.95

Finding the Fourth Proportional to 739,297.48, 1,109,013.83 and 206,816.95

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Solution

The fourth proportional to 739,297.48, 1,109,013.83 and 206,816.95 is: 310,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,297.48 : 1,109,013.83 = 206,816.95 : x
  2. Step 2: Convert to fraction form
    739,297.48/1,109,013.83 = 206,816.95/x
  3. Step 3: Cross multiply
    739,297.48x = 1,109,013.83 × 206,816.95
  4. Step 4: Simplify right side
    739,297.48x = 229,362,852,717.96
  5. Step 5: Solve for x
    x = 229,362,852,717.96/739,297.48
  6. Step 6: Final answer
    x = 310,244.33

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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.