Home / 919,936.90-1,379,808.27-246,086.20

Finding the Fourth Proportional to 919,936.90, 1,379,808.27 and 246,086.20

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Solution

The fourth proportional to 919,936.90, 1,379,808.27 and 246,086.20 is: 369,103.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,936.90 : 1,379,808.27 = 246,086.20 : x
  2. Step 2: Convert to fraction form
    919,936.90/1,379,808.27 = 246,086.20/x
  3. Step 3: Cross multiply
    919,936.90x = 1,379,808.27 × 246,086.20
  4. Step 4: Simplify right side
    919,936.90x = 339,551,773,892.87
  5. Step 5: Solve for x
    x = 339,551,773,892.87/919,936.90
  6. Step 6: Final answer
    x = 369,103.33

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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.