Home / 1,116,869.23-1,541,814.96-687,517.39

Finding the Fourth Proportional to 1,116,869.23, 1,541,814.96 and 687,517.39

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Solution

The fourth proportional to 1,116,869.23, 1,541,814.96 and 687,517.39 is: 949,103.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,869.23 : 1,541,814.96 = 687,517.39 : x
  2. Step 2: Convert to fraction form
    1,116,869.23/1,541,814.96 = 687,517.39/x
  3. Step 3: Cross multiply
    1,116,869.23x = 1,541,814.96 × 687,517.39
  4. Step 4: Simplify right side
    1,116,869.23x = 1,060,024,597,162.15
  5. Step 5: Solve for x
    x = 1,060,024,597,162.15/1,116,869.23
  6. Step 6: Final answer
    x = 949,103.59

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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.