Home / 1,668,691.22-2,503,109.61-816,480.44

Finding the Fourth Proportional to 1,668,691.22, 2,503,109.61 and 816,480.44

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Solution

The fourth proportional to 1,668,691.22, 2,503,109.61 and 816,480.44 is: 1,224,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,691.22 : 2,503,109.61 = 816,480.44 : x
  2. Step 2: Convert to fraction form
    1,668,691.22/2,503,109.61 = 816,480.44/x
  3. Step 3: Cross multiply
    1,668,691.22x = 2,503,109.61 × 816,480.44
  4. Step 4: Simplify right side
    1,668,691.22x = 2,043,740,023,225.48
  5. Step 5: Solve for x
    x = 2,043,740,023,225.48/1,668,691.22
  6. Step 6: Final answer
    x = 1,224,756.27

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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.