Home / 711,996.87-1,067,829.18-206,422.16

Finding the Fourth Proportional to 711,996.87, 1,067,829.18 and 206,422.16

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Solution

The fourth proportional to 711,996.87, 1,067,829.18 and 206,422.16 is: 309,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,996.87 : 1,067,829.18 = 206,422.16 : x
  2. Step 2: Convert to fraction form
    711,996.87/1,067,829.18 = 206,422.16/x
  3. Step 3: Cross multiply
    711,996.87x = 1,067,829.18 × 206,422.16
  4. Step 4: Simplify right side
    711,996.87x = 220,423,604,238.30
  5. Step 5: Solve for x
    x = 220,423,604,238.30/711,996.87
  6. Step 6: Final answer
    x = 309,585.07

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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.