Home / 1,331,191.88-1,837,017.78-727,584.20

Finding the Fourth Proportional to 1,331,191.88, 1,837,017.78 and 727,584.20

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Solution

The fourth proportional to 1,331,191.88, 1,837,017.78 and 727,584.20 is: 1,004,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,191.88 : 1,837,017.78 = 727,584.20 : x
  2. Step 2: Convert to fraction form
    1,331,191.88/1,837,017.78 = 727,584.20/x
  3. Step 3: Cross multiply
    1,331,191.88x = 1,837,017.78 × 727,584.20
  4. Step 4: Simplify right side
    1,331,191.88x = 1,336,585,111,847.08
  5. Step 5: Solve for x
    x = 1,336,585,111,847.08/1,331,191.88
  6. Step 6: Final answer
    x = 1,004,051.43

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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.