Home / 727,143.82-1,090,872.08-362,604.06

Finding the Fourth Proportional to 727,143.82, 1,090,872.08 and 362,604.06

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Solution

The fourth proportional to 727,143.82, 1,090,872.08 and 362,604.06 is: 543,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,143.82 : 1,090,872.08 = 362,604.06 : x
  2. Step 2: Convert to fraction form
    727,143.82/1,090,872.08 = 362,604.06/x
  3. Step 3: Cross multiply
    727,143.82x = 1,090,872.08 × 362,604.06
  4. Step 4: Simplify right side
    727,143.82x = 395,554,645,148.65
  5. Step 5: Solve for x
    x = 395,554,645,148.65/727,143.82
  6. Step 6: Final answer
    x = 543,984.06

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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.