Home / 980,866.64-1,469,433.72-558,863.12

Finding the Fourth Proportional to 980,866.64, 1,469,433.72 and 558,863.12

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Solution

The fourth proportional to 980,866.64, 1,469,433.72 and 558,863.12 is: 837,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,866.64 : 1,469,433.72 = 558,863.12 : x
  2. Step 2: Convert to fraction form
    980,866.64/1,469,433.72 = 558,863.12/x
  3. Step 3: Cross multiply
    980,866.64x = 1,469,433.72 × 558,863.12
  4. Step 4: Simplify right side
    980,866.64x = 821,212,313,392.41
  5. Step 5: Solve for x
    x = 821,212,313,392.41/980,866.64
  6. Step 6: Final answer
    x = 837,231.36

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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.