Home / 654,424.44-981,636.94-205,180.32

Finding the Fourth Proportional to 654,424.44, 981,636.94 and 205,180.32

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Solution

The fourth proportional to 654,424.44, 981,636.94 and 205,180.32 is: 307,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,424.44 : 981,636.94 = 205,180.32 : x
  2. Step 2: Convert to fraction form
    654,424.44/981,636.94 = 205,180.32/x
  3. Step 3: Cross multiply
    654,424.44x = 981,636.94 × 205,180.32
  4. Step 4: Simplify right side
    654,424.44x = 201,412,581,473.02
  5. Step 5: Solve for x
    x = 201,412,581,473.02/654,424.44
  6. Step 6: Final answer
    x = 307,770.57

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Similar ratio
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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.