Home / 654,119.58-981,179.38-204,875.60

Finding the Fourth Proportional to 654,119.58, 981,179.38 and 204,875.60

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Solution

The fourth proportional to 654,119.58, 981,179.38 and 204,875.60 is: 307,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,119.58 : 981,179.38 = 204,875.60 : x
  2. Step 2: Convert to fraction form
    654,119.58/981,179.38 = 204,875.60/x
  3. Step 3: Cross multiply
    654,119.58x = 981,179.38 × 204,875.60
  4. Step 4: Simplify right side
    654,119.58x = 201,019,714,185.13
  5. Step 5: Solve for x
    x = 201,019,714,185.13/654,119.58
  6. Step 6: Final answer
    x = 307,313.40

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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.