Home / 436,928.70-654,080.85-259,344.30

Finding the Fourth Proportional to 436,928.70, 654,080.85 and 259,344.30

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Solution

The fourth proportional to 436,928.70, 654,080.85 and 259,344.30 is: 388,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,928.70 : 654,080.85 = 259,344.30 : x
  2. Step 2: Convert to fraction form
    436,928.70/654,080.85 = 259,344.30/x
  3. Step 3: Cross multiply
    436,928.70x = 654,080.85 × 259,344.30
  4. Step 4: Simplify right side
    436,928.70x = 169,632,140,186.66
  5. Step 5: Solve for x
    x = 169,632,140,186.66/436,928.70
  6. Step 6: Final answer
    x = 388,237.58

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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.