Home / 823,791.42-1,235,448.45-247,391.45

Finding the Fourth Proportional to 823,791.42, 1,235,448.45 and 247,391.45

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Solution

The fourth proportional to 823,791.42, 1,235,448.45 and 247,391.45 is: 371,015.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,791.42 : 1,235,448.45 = 247,391.45 : x
  2. Step 2: Convert to fraction form
    823,791.42/1,235,448.45 = 247,391.45/x
  3. Step 3: Cross multiply
    823,791.42x = 1,235,448.45 × 247,391.45
  4. Step 4: Simplify right side
    823,791.42x = 305,639,383,445.75
  5. Step 5: Solve for x
    x = 305,639,383,445.75/823,791.42
  6. Step 6: Final answer
    x = 371,015.50

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Double scale
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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.