Home / 711,982.01-1,067,836.94-213,346.01

Finding the Fourth Proportional to 711,982.01, 1,067,836.94 and 213,346.01

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Solution

The fourth proportional to 711,982.01, 1,067,836.94 and 213,346.01 is: 319,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,982.01 : 1,067,836.94 = 213,346.01 : x
  2. Step 2: Convert to fraction form
    711,982.01/1,067,836.94 = 213,346.01/x
  3. Step 3: Cross multiply
    711,982.01x = 1,067,836.94 × 213,346.01
  4. Step 4: Simplify right side
    711,982.01x = 227,818,744,073.70
  5. Step 5: Solve for x
    x = 227,818,744,073.70/711,982.01
  6. Step 6: Final answer
    x = 319,978.23

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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.