Home / 754,661.88-1,131,992.82-193,696.38

Finding the Fourth Proportional to 754,661.88, 1,131,992.82 and 193,696.38

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Solution

The fourth proportional to 754,661.88, 1,131,992.82 and 193,696.38 is: 290,544.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,661.88 : 1,131,992.82 = 193,696.38 : x
  2. Step 2: Convert to fraction form
    754,661.88/1,131,992.82 = 193,696.38/x
  3. Step 3: Cross multiply
    754,661.88x = 1,131,992.82 × 193,696.38
  4. Step 4: Simplify right side
    754,661.88x = 219,262,911,419.99
  5. Step 5: Solve for x
    x = 219,262,911,419.99/754,661.88
  6. Step 6: Final answer
    x = 290,544.57

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Double scale
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Similar ratio
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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.