Home / 802,193.20-1,106,733.72-479,912.56

Finding the Fourth Proportional to 802,193.20, 1,106,733.72 and 479,912.56

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Solution

The fourth proportional to 802,193.20, 1,106,733.72 and 479,912.56 is: 662,104.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,193.20 : 1,106,733.72 = 479,912.56 : x
  2. Step 2: Convert to fraction form
    802,193.20/1,106,733.72 = 479,912.56/x
  3. Step 3: Cross multiply
    802,193.20x = 1,106,733.72 × 479,912.56
  4. Step 4: Simplify right side
    802,193.20x = 531,135,412,803.52
  5. Step 5: Solve for x
    x = 531,135,412,803.52/802,193.20
  6. Step 6: Final answer
    x = 662,104.11

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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.