Home / 654,114.33-981,171.51-204,870.35

Finding the Fourth Proportional to 654,114.33, 981,171.51 and 204,870.35

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Solution

The fourth proportional to 654,114.33, 981,171.51 and 204,870.35 is: 307,305.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,114.33 : 981,171.51 = 204,870.35 : x
  2. Step 2: Convert to fraction form
    654,114.33/981,171.51 = 204,870.35/x
  3. Step 3: Cross multiply
    654,114.33x = 981,171.51 × 204,870.35
  4. Step 4: Simplify right side
    654,114.33x = 201,012,953,116.66
  5. Step 5: Solve for x
    x = 201,012,953,116.66/654,114.33
  6. Step 6: Final answer
    x = 307,305.53

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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.