Home / 1,668,116.96-2,300,175.60-1,239,192.80

Finding the Fourth Proportional to 1,668,116.96, 2,300,175.60 and 1,239,192.80

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Solution

The fourth proportional to 1,668,116.96, 2,300,175.60 and 1,239,192.80 is: 1,708,729.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,116.96 : 2,300,175.60 = 1,239,192.80 : x
  2. Step 2: Convert to fraction form
    1,668,116.96/2,300,175.60 = 1,239,192.80/x
  3. Step 3: Cross multiply
    1,668,116.96x = 2,300,175.60 × 1,239,192.80
  4. Step 4: Simplify right side
    1,668,116.96x = 2,850,361,042,255.68
  5. Step 5: Solve for x
    x = 2,850,361,042,255.68/1,668,116.96
  6. Step 6: Final answer
    x = 1,708,729.73

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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.