Home / 881,039.43-1,216,419.39-676,725.03

Finding the Fourth Proportional to 881,039.43, 1,216,419.39 and 676,725.03

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Solution

The fourth proportional to 881,039.43, 1,216,419.39 and 676,725.03 is: 934,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,039.43 : 1,216,419.39 = 676,725.03 : x
  2. Step 2: Convert to fraction form
    881,039.43/1,216,419.39 = 676,725.03/x
  3. Step 3: Cross multiply
    881,039.43x = 1,216,419.39 × 676,725.03
  4. Step 4: Simplify right side
    881,039.43x = 823,181,448,190.33
  5. Step 5: Solve for x
    x = 823,181,448,190.33/881,039.43
  6. Step 6: Final answer
    x = 934,329.86

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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.