Home / 1,185,469.02-1,635,933.11-641,591.96

Finding the Fourth Proportional to 1,185,469.02, 1,635,933.11 and 641,591.96

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Solution

The fourth proportional to 1,185,469.02, 1,635,933.11 and 641,591.96 is: 885,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,469.02 : 1,635,933.11 = 641,591.96 : x
  2. Step 2: Convert to fraction form
    1,185,469.02/1,635,933.11 = 641,591.96/x
  3. Step 3: Cross multiply
    1,185,469.02x = 1,635,933.11 × 641,591.96
  4. Step 4: Simplify right side
    1,185,469.02x = 1,049,601,519,086.17
  5. Step 5: Solve for x
    x = 1,049,601,519,086.17/1,185,469.02
  6. Step 6: Final answer
    x = 885,389.24

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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.