Home / 881,171.51-1,216,076.82-499,201.43

Finding the Fourth Proportional to 881,171.51, 1,216,076.82 and 499,201.43

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Solution

The fourth proportional to 881,171.51, 1,216,076.82 and 499,201.43 is: 688,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,171.51 : 1,216,076.82 = 499,201.43 : x
  2. Step 2: Convert to fraction form
    881,171.51/1,216,076.82 = 499,201.43/x
  3. Step 3: Cross multiply
    881,171.51x = 1,216,076.82 × 499,201.43
  4. Step 4: Simplify right side
    881,171.51x = 607,067,287,533.85
  5. Step 5: Solve for x
    x = 607,067,287,533.85/881,171.51
  6. Step 6: Final answer
    x = 688,932.04

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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.