Home / 1,394,080.04-1,923,718.20-782,148.80

Finding the Fourth Proportional to 1,394,080.04, 1,923,718.20 and 782,148.80

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Solution

The fourth proportional to 1,394,080.04, 1,923,718.20 and 782,148.80 is: 1,079,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,080.04 : 1,923,718.20 = 782,148.80 : x
  2. Step 2: Convert to fraction form
    1,394,080.04/1,923,718.20 = 782,148.80/x
  3. Step 3: Cross multiply
    1,394,080.04x = 1,923,718.20 × 782,148.80
  4. Step 4: Simplify right side
    1,394,080.04x = 1,504,633,881,668.16
  5. Step 5: Solve for x
    x = 1,504,633,881,668.16/1,394,080.04
  6. Step 6: Final answer
    x = 1,079,302.36

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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.