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Finding the Fourth Proportional to 807,959.88, 1,114,977 and 440,436.96

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Solution

The fourth proportional to 807,959.88, 1,114,977 and 440,436.96 is: 607,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,959.88 : 1,114,977 = 440,436.96 : x
  2. Step 2: Convert to fraction form
    807,959.88/1,114,977 = 440,436.96/x
  3. Step 3: Cross multiply
    807,959.88x = 1,114,977 × 440,436.96
  4. Step 4: Simplify right side
    807,959.88x = 491,077,080,349.92
  5. Step 5: Solve for x
    x = 491,077,080,349.92/807,959.88
  6. Step 6: Final answer
    x = 607,798.84

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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.