Home / 1,016,990.57-1,403,344.76-609,081.96

Finding the Fourth Proportional to 1,016,990.57, 1,403,344.76 and 609,081.96

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Solution

The fourth proportional to 1,016,990.57, 1,403,344.76 and 609,081.96 is: 840,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,990.57 : 1,403,344.76 = 609,081.96 : x
  2. Step 2: Convert to fraction form
    1,016,990.57/1,403,344.76 = 609,081.96/x
  3. Step 3: Cross multiply
    1,016,990.57x = 1,403,344.76 × 609,081.96
  4. Step 4: Simplify right side
    1,016,990.57x = 854,751,976,976.53
  5. Step 5: Solve for x
    x = 854,751,976,976.53/1,016,990.57
  6. Step 6: Final answer
    x = 840,471.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.