Home / 1,668,991.66-2,504,515.39-657,941.56

Finding the Fourth Proportional to 1,668,991.66, 2,504,515.39 and 657,941.56

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Solution

The fourth proportional to 1,668,991.66, 2,504,515.39 and 657,941.56 is: 987,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,991.66 : 2,504,515.39 = 657,941.56 : x
  2. Step 2: Convert to fraction form
    1,668,991.66/2,504,515.39 = 657,941.56/x
  3. Step 3: Cross multiply
    1,668,991.66x = 2,504,515.39 × 657,941.56
  4. Step 4: Simplify right side
    1,668,991.66x = 1,647,824,754,834.47
  5. Step 5: Solve for x
    x = 1,647,824,754,834.47/1,668,991.66
  6. Step 6: Final answer
    x = 987,317.55

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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.