Home / 1,116,963.30-1,541,944.73-687,611.46

Finding the Fourth Proportional to 1,116,963.30, 1,541,944.73 and 687,611.46

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Solution

The fourth proportional to 1,116,963.30, 1,541,944.73 and 687,611.46 is: 949,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,963.30 : 1,541,944.73 = 687,611.46 : x
  2. Step 2: Convert to fraction form
    1,116,963.30/1,541,944.73 = 687,611.46/x
  3. Step 3: Cross multiply
    1,116,963.30x = 1,541,944.73 × 687,611.46
  4. Step 4: Simplify right side
    1,116,963.30x = 1,060,258,863,596.55
  5. Step 5: Solve for x
    x = 1,060,258,863,596.55/1,116,963.30
  6. Step 6: Final answer
    x = 949,233.39

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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.