Home / 695,807.80-1,043,382.70-269,543.28

Finding the Fourth Proportional to 695,807.80, 1,043,382.70 and 269,543.28

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Solution

The fourth proportional to 695,807.80, 1,043,382.70 and 269,543.28 is: 404,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,807.80 : 1,043,382.70 = 269,543.28 : x
  2. Step 2: Convert to fraction form
    695,807.80/1,043,382.70 = 269,543.28/x
  3. Step 3: Cross multiply
    695,807.80x = 1,043,382.70 × 269,543.28
  4. Step 4: Simplify right side
    695,807.80x = 281,236,795,253.26
  5. Step 5: Solve for x
    x = 281,236,795,253.26/695,807.80
  6. Step 6: Final answer
    x = 404,187.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.