Home / 864,311.85-1,296,467.78-233,224.65

Finding the Fourth Proportional to 864,311.85, 1,296,467.78 and 233,224.65

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Solution

The fourth proportional to 864,311.85, 1,296,467.78 and 233,224.65 is: 349,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,311.85 : 1,296,467.78 = 233,224.65 : x
  2. Step 2: Convert to fraction form
    864,311.85/1,296,467.78 = 233,224.65/x
  3. Step 3: Cross multiply
    864,311.85x = 1,296,467.78 × 233,224.65
  4. Step 4: Simplify right side
    864,311.85x = 302,368,243,060.65
  5. Step 5: Solve for x
    x = 302,368,243,060.65/864,311.85
  6. Step 6: Final answer
    x = 349,836.98

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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.