Home / 881,164.50-1,216,067.14-499,194.42

Finding the Fourth Proportional to 881,164.50, 1,216,067.14 and 499,194.42

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Solution

The fourth proportional to 881,164.50, 1,216,067.14 and 499,194.42 is: 688,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,164.50 : 1,216,067.14 = 499,194.42 : x
  2. Step 2: Convert to fraction form
    881,164.50/1,216,067.14 = 499,194.42/x
  3. Step 3: Cross multiply
    881,164.50x = 1,216,067.14 × 499,194.42
  4. Step 4: Simplify right side
    881,164.50x = 607,053,930,633.36
  5. Step 5: Solve for x
    x = 607,053,930,633.36/881,164.50
  6. Step 6: Final answer
    x = 688,922.36

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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.