Home / 802,194.20-1,106,735.10-479,913.56

Finding the Fourth Proportional to 802,194.20, 1,106,735.10 and 479,913.56

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Solution

The fourth proportional to 802,194.20, 1,106,735.10 and 479,913.56 is: 662,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,194.20 : 1,106,735.10 = 479,913.56 : x
  2. Step 2: Convert to fraction form
    802,194.20/1,106,735.10 = 479,913.56/x
  3. Step 3: Cross multiply
    802,194.20x = 1,106,735.10 × 479,913.56
  4. Step 4: Simplify right side
    802,194.20x = 531,137,181,817.96
  5. Step 5: Solve for x
    x = 531,137,181,817.96/802,194.20
  6. Step 6: Final answer
    x = 662,105.49

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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.