Home / 866,584.36-1,299,504.78-298,022.68

Finding the Fourth Proportional to 866,584.36, 1,299,504.78 and 298,022.68

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Solution

The fourth proportional to 866,584.36, 1,299,504.78 and 298,022.68 is: 446,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,584.36 : 1,299,504.78 = 298,022.68 : x
  2. Step 2: Convert to fraction form
    866,584.36/1,299,504.78 = 298,022.68/x
  3. Step 3: Cross multiply
    866,584.36x = 1,299,504.78 × 298,022.68
  4. Step 4: Simplify right side
    866,584.36x = 387,281,897,208.41
  5. Step 5: Solve for x
    x = 387,281,897,208.41/866,584.36
  6. Step 6: Final answer
    x = 446,906.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.