Home / 621,670.78-932,506.18-200,946.66

Finding the Fourth Proportional to 621,670.78, 932,506.18 and 200,946.66

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Solution

The fourth proportional to 621,670.78, 932,506.18 and 200,946.66 is: 301,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,670.78 : 932,506.18 = 200,946.66 : x
  2. Step 2: Convert to fraction form
    621,670.78/932,506.18 = 200,946.66/x
  3. Step 3: Cross multiply
    621,670.78x = 932,506.18 × 200,946.66
  4. Step 4: Simplify right side
    621,670.78x = 187,383,998,301.09
  5. Step 5: Solve for x
    x = 187,383,998,301.09/621,670.78
  6. Step 6: Final answer
    x = 301,419.99

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.