Home / 439,890.56-659,751.60-187,310.24

Finding the Fourth Proportional to 439,890.56, 659,751.60 and 187,310.24

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Solution

The fourth proportional to 439,890.56, 659,751.60 and 187,310.24 is: 280,929.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,890.56 : 659,751.60 = 187,310.24 : x
  2. Step 2: Convert to fraction form
    439,890.56/659,751.60 = 187,310.24/x
  3. Step 3: Cross multiply
    439,890.56x = 659,751.60 × 187,310.24
  4. Step 4: Simplify right side
    439,890.56x = 123,578,230,536.38
  5. Step 5: Solve for x
    x = 123,578,230,536.38/439,890.56
  6. Step 6: Final answer
    x = 280,929.49

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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.