Home / 1,092,191.40-1,638,287.10-994,213.80

Finding the Fourth Proportional to 1,092,191.40, 1,638,287.10 and 994,213.80

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Solution

The fourth proportional to 1,092,191.40, 1,638,287.10 and 994,213.80 is: 1,491,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,191.40 : 1,638,287.10 = 994,213.80 : x
  2. Step 2: Convert to fraction form
    1,092,191.40/1,638,287.10 = 994,213.80/x
  3. Step 3: Cross multiply
    1,092,191.40x = 1,638,287.10 × 994,213.80
  4. Step 4: Simplify right side
    1,092,191.40x = 1,628,807,643,181.98
  5. Step 5: Solve for x
    x = 1,628,807,643,181.98/1,092,191.40
  6. Step 6: Final answer
    x = 1,491,320.70

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Double scale
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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.