Home / 543,546.27-814,816.40-206,485.83

Finding the Fourth Proportional to 543,546.27, 814,816.40 and 206,485.83

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Solution

The fourth proportional to 543,546.27, 814,816.40 and 206,485.83 is: 309,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,546.27 : 814,816.40 = 206,485.83 : x
  2. Step 2: Convert to fraction form
    543,546.27/814,816.40 = 206,485.83/x
  3. Step 3: Cross multiply
    543,546.27x = 814,816.40 × 206,485.83
  4. Step 4: Simplify right side
    543,546.27x = 168,248,039,619.18
  5. Step 5: Solve for x
    x = 168,248,039,619.18/543,546.27
  6. Step 6: Final answer
    x = 309,537.66

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1.5x scale

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.