Home / 809,422.92-1,117,079.64-605,120.04

Finding the Fourth Proportional to 809,422.92, 1,117,079.64 and 605,120.04

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Solution

The fourth proportional to 809,422.92, 1,117,079.64 and 605,120.04 is: 835,122.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,422.92 : 1,117,079.64 = 605,120.04 : x
  2. Step 2: Convert to fraction form
    809,422.92/1,117,079.64 = 605,120.04/x
  3. Step 3: Cross multiply
    809,422.92x = 1,117,079.64 × 605,120.04
  4. Step 4: Simplify right side
    809,422.92x = 675,967,276,439.99
  5. Step 5: Solve for x
    x = 675,967,276,439.99/809,422.92
  6. Step 6: Final answer
    x = 835,122.48

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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.