Home / 1,190,920.26-1,786,377.69-516,914.22

Finding the Fourth Proportional to 1,190,920.26, 1,786,377.69 and 516,914.22

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Solution

The fourth proportional to 1,190,920.26, 1,786,377.69 and 516,914.22 is: 775,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,920.26 : 1,786,377.69 = 516,914.22 : x
  2. Step 2: Convert to fraction form
    1,190,920.26/1,786,377.69 = 516,914.22/x
  3. Step 3: Cross multiply
    1,190,920.26x = 1,786,377.69 × 516,914.22
  4. Step 4: Simplify right side
    1,190,920.26x = 923,404,030,251.75
  5. Step 5: Solve for x
    x = 923,404,030,251.75/1,190,920.26
  6. Step 6: Final answer
    x = 775,370.16

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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.