Home / 669,148.41-923,399.78-363,218.21

Finding the Fourth Proportional to 669,148.41, 923,399.78 and 363,218.21

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Solution

The fourth proportional to 669,148.41, 923,399.78 and 363,218.21 is: 501,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,148.41 : 923,399.78 = 363,218.21 : x
  2. Step 2: Convert to fraction form
    669,148.41/923,399.78 = 363,218.21/x
  3. Step 3: Cross multiply
    669,148.41x = 923,399.78 × 363,218.21
  4. Step 4: Simplify right side
    669,148.41x = 335,395,608,772.90
  5. Step 5: Solve for x
    x = 335,395,608,772.90/669,148.41
  6. Step 6: Final answer
    x = 501,227.54

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.