Home / 753,644.25-1,039,771.62-467,059.77

Finding the Fourth Proportional to 753,644.25, 1,039,771.62 and 467,059.77

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Solution

The fourth proportional to 753,644.25, 1,039,771.62 and 467,059.77 is: 644,382.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,644.25 : 1,039,771.62 = 467,059.77 : x
  2. Step 2: Convert to fraction form
    753,644.25/1,039,771.62 = 467,059.77/x
  3. Step 3: Cross multiply
    753,644.25x = 1,039,771.62 × 467,059.77
  4. Step 4: Simplify right side
    753,644.25x = 485,635,493,689.73
  5. Step 5: Solve for x
    x = 485,635,493,689.73/753,644.25
  6. Step 6: Final answer
    x = 644,382.93

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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.