Home / 543,570.75-815,500.85-188,584.20

Finding the Fourth Proportional to 543,570.75, 815,500.85 and 188,584.20

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Solution

The fourth proportional to 543,570.75, 815,500.85 and 188,584.20 is: 282,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,570.75 : 815,500.85 = 188,584.20 : x
  2. Step 2: Convert to fraction form
    543,570.75/815,500.85 = 188,584.20/x
  3. Step 3: Cross multiply
    543,570.75x = 815,500.85 × 188,584.20
  4. Step 4: Simplify right side
    543,570.75x = 153,790,574,453.65
  5. Step 5: Solve for x
    x = 153,790,574,453.65/543,570.75
  6. Step 6: Final answer
    x = 282,926.51

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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.