Home / 669,261.40-1,003,892.10-444,923.80

Finding the Fourth Proportional to 669,261.40, 1,003,892.10 and 444,923.80

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Solution

The fourth proportional to 669,261.40, 1,003,892.10 and 444,923.80 is: 667,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,261.40 : 1,003,892.10 = 444,923.80 : x
  2. Step 2: Convert to fraction form
    669,261.40/1,003,892.10 = 444,923.80/x
  3. Step 3: Cross multiply
    669,261.40x = 1,003,892.10 × 444,923.80
  4. Step 4: Simplify right side
    669,261.40x = 446,655,487,921.98
  5. Step 5: Solve for x
    x = 446,655,487,921.98/669,261.40
  6. Step 6: Final answer
    x = 667,385.70

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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.