Home / 919,081.44-1,268,446.32-516,673.44

Finding the Fourth Proportional to 919,081.44, 1,268,446.32 and 516,673.44

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Solution

The fourth proportional to 919,081.44, 1,268,446.32 and 516,673.44 is: 713,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,081.44 : 1,268,446.32 = 516,673.44 : x
  2. Step 2: Convert to fraction form
    919,081.44/1,268,446.32 = 516,673.44/x
  3. Step 3: Cross multiply
    919,081.44x = 1,268,446.32 × 516,673.44
  4. Step 4: Simplify right side
    919,081.44x = 655,372,523,609.74
  5. Step 5: Solve for x
    x = 655,372,523,609.74/919,081.44
  6. Step 6: Final answer
    x = 713,073.40

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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.