Home / 1,396,159.81-2,093,040.27-485,223.92

Finding the Fourth Proportional to 1,396,159.81, 2,093,040.27 and 485,223.92

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Solution

The fourth proportional to 1,396,159.81, 2,093,040.27 and 485,223.92 is: 727,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,159.81 : 2,093,040.27 = 485,223.92 : x
  2. Step 2: Convert to fraction form
    1,396,159.81/2,093,040.27 = 485,223.92/x
  3. Step 3: Cross multiply
    1,396,159.81x = 2,093,040.27 × 485,223.92
  4. Step 4: Simplify right side
    1,396,159.81x = 1,015,593,204,527.26
  5. Step 5: Solve for x
    x = 1,015,593,204,527.26/1,396,159.81
  6. Step 6: Final answer
    x = 727,419.02

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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.