Home / 2,085,628.25-2,878,166.99-1,131,772.25

Finding the Fourth Proportional to 2,085,628.25, 2,878,166.99 and 1,131,772.25

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Solution

The fourth proportional to 2,085,628.25, 2,878,166.99 and 1,131,772.25 is: 1,561,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,628.25 : 2,878,166.99 = 1,131,772.25 : x
  2. Step 2: Convert to fraction form
    2,085,628.25/2,878,166.99 = 1,131,772.25/x
  3. Step 3: Cross multiply
    2,085,628.25x = 2,878,166.99 × 1,131,772.25
  4. Step 4: Simplify right side
    2,085,628.25x = 3,257,429,524,489.17
  5. Step 5: Solve for x
    x = 3,257,429,524,489.17/2,085,628.25
  6. Step 6: Final answer
    x = 1,561,845.71

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1.5x scale

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.