Home / 737,120.16-1,105,022.16-287,736.66

Finding the Fourth Proportional to 737,120.16, 1,105,022.16 and 287,736.66

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Solution

The fourth proportional to 737,120.16, 1,105,022.16 and 287,736.66 is: 431,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,120.16 : 1,105,022.16 = 287,736.66 : x
  2. Step 2: Convert to fraction form
    737,120.16/1,105,022.16 = 287,736.66/x
  3. Step 3: Cross multiply
    737,120.16x = 1,105,022.16 × 287,736.66
  4. Step 4: Simplify right side
    737,120.16x = 317,955,385,544.39
  5. Step 5: Solve for x
    x = 317,955,385,544.39/737,120.16
  6. Step 6: Final answer
    x = 431,348.11

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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.