Home / 919,509.72-1,268,203.38-629,293.32

Finding the Fourth Proportional to 919,509.72, 1,268,203.38 and 629,293.32

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Solution

The fourth proportional to 919,509.72, 1,268,203.38 and 629,293.32 is: 867,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,509.72 : 1,268,203.38 = 629,293.32 : x
  2. Step 2: Convert to fraction form
    919,509.72/1,268,203.38 = 629,293.32/x
  3. Step 3: Cross multiply
    919,509.72x = 1,268,203.38 × 629,293.32
  4. Step 4: Simplify right side
    919,509.72x = 798,071,915,435.42
  5. Step 5: Solve for x
    x = 798,071,915,435.42/919,509.72
  6. Step 6: Final answer
    x = 867,932.01

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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.