Home / 861,803.56-1,189,243.32-494,261.74

Finding the Fourth Proportional to 861,803.56, 1,189,243.32 and 494,261.74

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Solution

The fourth proportional to 861,803.56, 1,189,243.32 and 494,261.74 is: 682,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,803.56 : 1,189,243.32 = 494,261.74 : x
  2. Step 2: Convert to fraction form
    861,803.56/1,189,243.32 = 494,261.74/x
  3. Step 3: Cross multiply
    861,803.56x = 1,189,243.32 × 494,261.74
  4. Step 4: Simplify right side
    861,803.56x = 587,797,472,626.58
  5. Step 5: Solve for x
    x = 587,797,472,626.58/861,803.56
  6. Step 6: Final answer
    x = 682,055.05

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Double scale
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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.