Home / 801,198.60-1,105,652.32-438,619.51

Finding the Fourth Proportional to 801,198.60, 1,105,652.32 and 438,619.51

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Solution

The fourth proportional to 801,198.60, 1,105,652.32 and 438,619.51 is: 605,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,198.60 : 1,105,652.32 = 438,619.51 : x
  2. Step 2: Convert to fraction form
    801,198.60/1,105,652.32 = 438,619.51/x
  3. Step 3: Cross multiply
    801,198.60x = 1,105,652.32 × 438,619.51
  4. Step 4: Simplify right side
    801,198.60x = 484,960,678,828.76
  5. Step 5: Solve for x
    x = 484,960,678,828.76/801,198.60
  6. Step 6: Final answer
    x = 605,293.97

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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.