Home / 621,066.56-931,599.38-200,342.44

Finding the Fourth Proportional to 621,066.56, 931,599.38 and 200,342.44

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Solution

The fourth proportional to 621,066.56, 931,599.38 and 200,342.44 is: 300,513.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,066.56 : 931,599.38 = 200,342.44 : x
  2. Step 2: Convert to fraction form
    621,066.56/931,599.38 = 200,342.44/x
  3. Step 3: Cross multiply
    621,066.56x = 931,599.38 × 200,342.44
  4. Step 4: Simplify right side
    621,066.56x = 186,638,892,891.69
  5. Step 5: Solve for x
    x = 186,638,892,891.69/621,066.56
  6. Step 6: Final answer
    x = 300,513.51

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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.