Home / 767,336.59-1,150,688.20-261,938.33

Finding the Fourth Proportional to 767,336.59, 1,150,688.20 and 261,938.33

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Solution

The fourth proportional to 767,336.59, 1,150,688.20 and 261,938.33 is: 392,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,336.59 : 1,150,688.20 = 261,938.33 : x
  2. Step 2: Convert to fraction form
    767,336.59/1,150,688.20 = 261,938.33/x
  3. Step 3: Cross multiply
    767,336.59x = 1,150,688.20 × 261,938.33
  4. Step 4: Simplify right side
    767,336.59x = 301,409,344,149.01
  5. Step 5: Solve for x
    x = 301,409,344,149.01/767,336.59
  6. Step 6: Final answer
    x = 392,799.39

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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.