Home / 846,847.28-1,168,619-479,316.54

Finding the Fourth Proportional to 846,847.28, 1,168,619 and 479,316.54

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Solution

The fourth proportional to 846,847.28, 1,168,619 and 479,316.54 is: 661,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,847.28 : 1,168,619 = 479,316.54 : x
  2. Step 2: Convert to fraction form
    846,847.28/1,168,619 = 479,316.54/x
  3. Step 3: Cross multiply
    846,847.28x = 1,168,619 × 479,316.54
  4. Step 4: Simplify right side
    846,847.28x = 560,138,415,658.26
  5. Step 5: Solve for x
    x = 560,138,415,658.26/846,847.28
  6. Step 6: Final answer
    x = 661,439.71

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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.