Home / 1,190,975.22-1,643,619.33-681,665.94

Finding the Fourth Proportional to 1,190,975.22, 1,643,619.33 and 681,665.94

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Solution

The fourth proportional to 1,190,975.22, 1,643,619.33 and 681,665.94 is: 940,741.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,975.22 : 1,643,619.33 = 681,665.94 : x
  2. Step 2: Convert to fraction form
    1,190,975.22/1,643,619.33 = 681,665.94/x
  3. Step 3: Cross multiply
    1,190,975.22x = 1,643,619.33 × 681,665.94
  4. Step 4: Simplify right side
    1,190,975.22x = 1,120,399,315,586.62
  5. Step 5: Solve for x
    x = 1,120,399,315,586.62/1,190,975.22
  6. Step 6: Final answer
    x = 940,741.08

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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.