Home / 1,718,081.22-2,575,984.32-819,661.62

Finding the Fourth Proportional to 1,718,081.22, 2,575,984.32 and 819,661.62

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Solution

The fourth proportional to 1,718,081.22, 2,575,984.32 and 819,661.62 is: 1,228,949.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,081.22 : 2,575,984.32 = 819,661.62 : x
  2. Step 2: Convert to fraction form
    1,718,081.22/2,575,984.32 = 819,661.62/x
  3. Step 3: Cross multiply
    1,718,081.22x = 2,575,984.32 × 819,661.62
  4. Step 4: Simplify right side
    1,718,081.22x = 2,111,435,480,825.80
  5. Step 5: Solve for x
    x = 2,111,435,480,825.80/1,718,081.22
  6. Step 6: Final answer
    x = 1,228,949.75

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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.