Home / 1,396,924.59-1,928,282.58-816,336.23

Finding the Fourth Proportional to 1,396,924.59, 1,928,282.58 and 816,336.23

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Solution

The fourth proportional to 1,396,924.59, 1,928,282.58 and 816,336.23 is: 1,126,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,924.59 : 1,928,282.58 = 816,336.23 : x
  2. Step 2: Convert to fraction form
    1,396,924.59/1,928,282.58 = 816,336.23/x
  3. Step 3: Cross multiply
    1,396,924.59x = 1,928,282.58 × 816,336.23
  4. Step 4: Simplify right side
    1,396,924.59x = 1,574,126,936,552.58
  5. Step 5: Solve for x
    x = 1,574,126,936,552.58/1,396,924.59
  6. Step 6: Final answer
    x = 1,126,851.76

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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.