Home / 695,920.50-1,043,880.75-170,608.50

Finding the Fourth Proportional to 695,920.50, 1,043,880.75 and 170,608.50

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Solution

The fourth proportional to 695,920.50, 1,043,880.75 and 170,608.50 is: 255,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,920.50 : 1,043,880.75 = 170,608.50 : x
  2. Step 2: Convert to fraction form
    695,920.50/1,043,880.75 = 170,608.50/x
  3. Step 3: Cross multiply
    695,920.50x = 1,043,880.75 × 170,608.50
  4. Step 4: Simplify right side
    695,920.50x = 178,094,928,936.38
  5. Step 5: Solve for x
    x = 178,094,928,936.38/695,920.50
  6. Step 6: Final answer
    x = 255,912.75

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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.