Home / 919,056.32-1,268,200.96-511,092.12

Finding the Fourth Proportional to 919,056.32, 1,268,200.96 and 511,092.12

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Solution

The fourth proportional to 919,056.32, 1,268,200.96 and 511,092.12 is: 705,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,056.32 : 1,268,200.96 = 511,092.12 : x
  2. Step 2: Convert to fraction form
    919,056.32/1,268,200.96 = 511,092.12/x
  3. Step 3: Cross multiply
    919,056.32x = 1,268,200.96 × 511,092.12
  4. Step 4: Simplify right side
    919,056.32x = 648,167,517,232.44
  5. Step 5: Solve for x
    x = 648,167,517,232.44/919,056.32
  6. Step 6: Final answer
    x = 705,253.32

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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.