Home / 888,983.70-1,224,335.78-768,086.34

Finding the Fourth Proportional to 888,983.70, 1,224,335.78 and 768,086.34

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Solution

The fourth proportional to 888,983.70, 1,224,335.78 and 768,086.34 is: 1,057,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,983.70 : 1,224,335.78 = 768,086.34 : x
  2. Step 2: Convert to fraction form
    888,983.70/1,224,335.78 = 768,086.34/x
  3. Step 3: Cross multiply
    888,983.70x = 1,224,335.78 × 768,086.34
  4. Step 4: Simplify right side
    888,983.70x = 940,395,588,191.25
  5. Step 5: Solve for x
    x = 940,395,588,191.25/888,983.70
  6. Step 6: Final answer
    x = 1,057,832.21

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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.