Home / 646,111.71-969,305.58-196,868.41

Finding the Fourth Proportional to 646,111.71, 969,305.58 and 196,868.41

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Solution

The fourth proportional to 646,111.71, 969,305.58 and 196,868.41 is: 295,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,111.71 : 969,305.58 = 196,868.41 : x
  2. Step 2: Convert to fraction form
    646,111.71/969,305.58 = 196,868.41/x
  3. Step 3: Cross multiply
    646,111.71x = 969,305.58 × 196,868.41
  4. Step 4: Simplify right side
    646,111.71x = 190,825,645,915.46
  5. Step 5: Solve for x
    x = 190,825,645,915.46/646,111.71
  6. Step 6: Final answer
    x = 295,344.66

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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.