Home / 793,099.08-1,189,240.38-319,657.32

Finding the Fourth Proportional to 793,099.08, 1,189,240.38 and 319,657.32

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Solution

The fourth proportional to 793,099.08, 1,189,240.38 and 319,657.32 is: 479,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,099.08 : 1,189,240.38 = 319,657.32 : x
  2. Step 2: Convert to fraction form
    793,099.08/1,189,240.38 = 319,657.32/x
  3. Step 3: Cross multiply
    793,099.08x = 1,189,240.38 × 319,657.32
  4. Step 4: Simplify right side
    793,099.08x = 380,149,392,706.58
  5. Step 5: Solve for x
    x = 380,149,392,706.58/793,099.08
  6. Step 6: Final answer
    x = 479,321.44

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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.