Home / 801,690.51-1,106,333.38-439,120.43

Finding the Fourth Proportional to 801,690.51, 1,106,333.38 and 439,120.43

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Solution

The fourth proportional to 801,690.51, 1,106,333.38 and 439,120.43 is: 605,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,690.51 : 1,106,333.38 = 439,120.43 : x
  2. Step 2: Convert to fraction form
    801,690.51/1,106,333.38 = 439,120.43/x
  3. Step 3: Cross multiply
    801,690.51x = 1,106,333.38 × 439,120.43
  4. Step 4: Simplify right side
    801,690.51x = 485,813,583,016.03
  5. Step 5: Solve for x
    x = 485,813,583,016.03/801,690.51
  6. Step 6: Final answer
    x = 605,986.44

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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.