Home / 864,164.70-1,296,247.05-233,078.40

Finding the Fourth Proportional to 864,164.70, 1,296,247.05 and 233,078.40

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Solution

The fourth proportional to 864,164.70, 1,296,247.05 and 233,078.40 is: 349,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,164.70 : 1,296,247.05 = 233,078.40 : x
  2. Step 2: Convert to fraction form
    864,164.70/1,296,247.05 = 233,078.40/x
  3. Step 3: Cross multiply
    864,164.70x = 1,296,247.05 × 233,078.40
  4. Step 4: Simplify right side
    864,164.70x = 302,127,188,418.72
  5. Step 5: Solve for x
    x = 302,127,188,418.72/864,164.70
  6. Step 6: Final answer
    x = 349,617.60

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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.