Home / 919,520.01-1,268,917.73-532,351.75

Finding the Fourth Proportional to 919,520.01, 1,268,917.73 and 532,351.75

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Solution

The fourth proportional to 919,520.01, 1,268,917.73 and 532,351.75 is: 734,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,520.01 : 1,268,917.73 = 532,351.75 : x
  2. Step 2: Convert to fraction form
    919,520.01/1,268,917.73 = 532,351.75/x
  3. Step 3: Cross multiply
    919,520.01x = 1,268,917.73 × 532,351.75
  4. Step 4: Simplify right side
    919,520.01x = 675,510,574,171.53
  5. Step 5: Solve for x
    x = 675,510,574,171.53/919,520.01
  6. Step 6: Final answer
    x = 734,633.90

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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.