Home / 919,181.66-1,268,470.64-516,773.66

Finding the Fourth Proportional to 919,181.66, 1,268,470.64 and 516,773.66

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Solution

The fourth proportional to 919,181.66, 1,268,470.64 and 516,773.66 is: 713,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,181.66 : 1,268,470.64 = 516,773.66 : x
  2. Step 2: Convert to fraction form
    919,181.66/1,268,470.64 = 516,773.66/x
  3. Step 3: Cross multiply
    919,181.66x = 1,268,470.64 × 516,773.66
  4. Step 4: Simplify right side
    919,181.66x = 655,512,212,651.47
  5. Step 5: Solve for x
    x = 655,512,212,651.47/919,181.66
  6. Step 6: Final answer
    x = 713,147.62

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1.5x scale

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.