Home / 1,012,128.09-1,396,738.13-582,399.60

Finding the Fourth Proportional to 1,012,128.09, 1,396,738.13 and 582,399.60

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Solution

The fourth proportional to 1,012,128.09, 1,396,738.13 and 582,399.60 is: 803,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,128.09 : 1,396,738.13 = 582,399.60 : x
  2. Step 2: Convert to fraction form
    1,012,128.09/1,396,738.13 = 582,399.60/x
  3. Step 3: Cross multiply
    1,012,128.09x = 1,396,738.13 × 582,399.60
  4. Step 4: Simplify right side
    1,012,128.09x = 813,459,725,304.75
  5. Step 5: Solve for x
    x = 813,459,725,304.75/1,012,128.09
  6. Step 6: Final answer
    x = 803,712.23

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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.