Home / 1,622,760.25-2,431,990.27-862,965.70

Finding the Fourth Proportional to 1,622,760.25, 2,431,990.27 and 862,965.70

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Solution

The fourth proportional to 1,622,760.25, 2,431,990.27 and 862,965.70 is: 1,293,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,760.25 : 2,431,990.27 = 862,965.70 : x
  2. Step 2: Convert to fraction form
    1,622,760.25/2,431,990.27 = 862,965.70/x
  3. Step 3: Cross multiply
    1,622,760.25x = 2,431,990.27 × 862,965.70
  4. Step 4: Simplify right side
    1,622,760.25x = 2,098,724,180,742.47
  5. Step 5: Solve for x
    x = 2,098,724,180,742.47/1,622,760.25
  6. Step 6: Final answer
    x = 1,293,305.14

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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.