Home / 796,816-1,099,606.11-439,120

Finding the Fourth Proportional to 796,816, 1,099,606.11 and 439,120

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Solution

The fourth proportional to 796,816, 1,099,606.11 and 439,120 is: 605,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,816 : 1,099,606.11 = 439,120 : x
  2. Step 2: Convert to fraction form
    796,816/1,099,606.11 = 439,120/x
  3. Step 3: Cross multiply
    796,816x = 1,099,606.11 × 439,120
  4. Step 4: Simplify right side
    796,816x = 482,859,032,827.60
  5. Step 5: Solve for x
    x = 482,859,032,827.60/796,816
  6. Step 6: Final answer
    x = 605,985.61

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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.