Home / 676,696.31-1,015,091.17-196,928.09

Finding the Fourth Proportional to 676,696.31, 1,015,091.17 and 196,928.09

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Solution

The fourth proportional to 676,696.31, 1,015,091.17 and 196,928.09 is: 295,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,696.31 : 1,015,091.17 = 196,928.09 : x
  2. Step 2: Convert to fraction form
    676,696.31/1,015,091.17 = 196,928.09/x
  3. Step 3: Cross multiply
    676,696.31x = 1,015,091.17 × 196,928.09
  4. Step 4: Simplify right side
    676,696.31x = 199,899,960,208.51
  5. Step 5: Solve for x
    x = 199,899,960,208.51/676,696.31
  6. Step 6: Final answer
    x = 295,405.72

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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.