Home / 945,867.90-1,305,325.41-516,175.74

Finding the Fourth Proportional to 945,867.90, 1,305,325.41 and 516,175.74

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Solution

The fourth proportional to 945,867.90, 1,305,325.41 and 516,175.74 is: 712,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,867.90 : 1,305,325.41 = 516,175.74 : x
  2. Step 2: Convert to fraction form
    945,867.90/1,305,325.41 = 516,175.74/x
  3. Step 3: Cross multiply
    945,867.90x = 1,305,325.41 × 516,175.74
  4. Step 4: Simplify right side
    945,867.90x = 673,777,309,447.55
  5. Step 5: Solve for x
    x = 673,777,309,447.55/945,867.90
  6. Step 6: Final answer
    x = 712,337.64

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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.