Home / 864,113.32-1,296,170.10-233,027.20

Finding the Fourth Proportional to 864,113.32, 1,296,170.10 and 233,027.20

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Solution

The fourth proportional to 864,113.32, 1,296,170.10 and 233,027.20 is: 349,540.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,113.32 : 1,296,170.10 = 233,027.20 : x
  2. Step 2: Convert to fraction form
    864,113.32/1,296,170.10 = 233,027.20/x
  3. Step 3: Cross multiply
    864,113.32x = 1,296,170.10 × 233,027.20
  4. Step 4: Simplify right side
    864,113.32x = 302,042,889,126.72
  5. Step 5: Solve for x
    x = 302,042,889,126.72/864,113.32
  6. Step 6: Final answer
    x = 349,540.83

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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.