Home / 683,944.75-1,025,917.13-185,308.75

Finding the Fourth Proportional to 683,944.75, 1,025,917.13 and 185,308.75

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Solution

The fourth proportional to 683,944.75, 1,025,917.13 and 185,308.75 is: 277,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,944.75 : 1,025,917.13 = 185,308.75 : x
  2. Step 2: Convert to fraction form
    683,944.75/1,025,917.13 = 185,308.75/x
  3. Step 3: Cross multiply
    683,944.75x = 1,025,917.13 × 185,308.75
  4. Step 4: Simplify right side
    683,944.75x = 190,111,420,963.89
  5. Step 5: Solve for x
    x = 190,111,420,963.89/683,944.75
  6. Step 6: Final answer
    x = 277,963.13

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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.