Home / 738,616.68-1,107,706.32-206,009.28

Finding the Fourth Proportional to 738,616.68, 1,107,706.32 and 206,009.28

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Solution

The fourth proportional to 738,616.68, 1,107,706.32 and 206,009.28 is: 308,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,616.68 : 1,107,706.32 = 206,009.28 : x
  2. Step 2: Convert to fraction form
    738,616.68/1,107,706.32 = 206,009.28/x
  3. Step 3: Cross multiply
    738,616.68x = 1,107,706.32 × 206,009.28
  4. Step 4: Simplify right side
    738,616.68x = 228,197,781,434.65
  5. Step 5: Solve for x
    x = 228,197,781,434.65/738,616.68
  6. Step 6: Final answer
    x = 308,952.92

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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.