Home / 796,817.64-1,099,608.36-439,121.64

Finding the Fourth Proportional to 796,817.64, 1,099,608.36 and 439,121.64

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Solution

The fourth proportional to 796,817.64, 1,099,608.36 and 439,121.64 is: 605,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,817.64 : 1,099,608.36 = 439,121.64 : x
  2. Step 2: Convert to fraction form
    796,817.64/1,099,608.36 = 439,121.64/x
  3. Step 3: Cross multiply
    796,817.64x = 1,099,608.36 × 439,121.64
  4. Step 4: Simplify right side
    796,817.64x = 482,861,826,400.91
  5. Step 5: Solve for x
    x = 482,861,826,400.91/796,817.64
  6. Step 6: Final answer
    x = 605,987.87

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Double scale
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1.5x scale

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.