Home / 863,733.78-1,295,600.67-442,741.14

Finding the Fourth Proportional to 863,733.78, 1,295,600.67 and 442,741.14

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Solution

The fourth proportional to 863,733.78, 1,295,600.67 and 442,741.14 is: 664,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,733.78 : 1,295,600.67 = 442,741.14 : x
  2. Step 2: Convert to fraction form
    863,733.78/1,295,600.67 = 442,741.14/x
  3. Step 3: Cross multiply
    863,733.78x = 1,295,600.67 × 442,741.14
  4. Step 4: Simplify right side
    863,733.78x = 573,615,717,620.56
  5. Step 5: Solve for x
    x = 573,615,717,620.56/863,733.78
  6. Step 6: Final answer
    x = 664,111.71

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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.