Home / 1,085,589.96-1,627,909.74-445,454.52

Finding the Fourth Proportional to 1,085,589.96, 1,627,909.74 and 445,454.52

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Solution

The fourth proportional to 1,085,589.96, 1,627,909.74 and 445,454.52 is: 667,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,589.96 : 1,627,909.74 = 445,454.52 : x
  2. Step 2: Convert to fraction form
    1,085,589.96/1,627,909.74 = 445,454.52/x
  3. Step 3: Cross multiply
    1,085,589.96x = 1,627,909.74 × 445,454.52
  4. Step 4: Simplify right side
    1,085,589.96x = 725,159,751,835.03
  5. Step 5: Solve for x
    x = 725,159,751,835.03/1,085,589.96
  6. Step 6: Final answer
    x = 667,986.79

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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.