Home / 654,245.18-981,367.41-205,001.36

Finding the Fourth Proportional to 654,245.18, 981,367.41 and 205,001.36

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Solution

The fourth proportional to 654,245.18, 981,367.41 and 205,001.36 is: 307,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,245.18 : 981,367.41 = 205,001.36 : x
  2. Step 2: Convert to fraction form
    654,245.18/981,367.41 = 205,001.36/x
  3. Step 3: Cross multiply
    654,245.18x = 981,367.41 × 205,001.36
  4. Step 4: Simplify right side
    654,245.18x = 201,181,653,709.68
  5. Step 5: Solve for x
    x = 201,181,653,709.68/654,245.18
  6. Step 6: Final answer
    x = 307,501.93

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Half scale
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Double scale
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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.