Home / 919,456.52-1,268,818.02-505,954.64

Finding the Fourth Proportional to 919,456.52, 1,268,818.02 and 505,954.64

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Solution

The fourth proportional to 919,456.52, 1,268,818.02 and 505,954.64 is: 698,199.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,456.52 : 1,268,818.02 = 505,954.64 : x
  2. Step 2: Convert to fraction form
    919,456.52/1,268,818.02 = 505,954.64/x
  3. Step 3: Cross multiply
    919,456.52x = 1,268,818.02 × 505,954.64
  4. Step 4: Simplify right side
    919,456.52x = 641,964,367,706.66
  5. Step 5: Solve for x
    x = 641,964,367,706.66/919,456.52
  6. Step 6: Final answer
    x = 698,199.81

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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.