Home / 810,061.19-1,213,760.41-277,291.59

Finding the Fourth Proportional to 810,061.19, 1,213,760.41 and 277,291.59

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Solution

The fourth proportional to 810,061.19, 1,213,760.41 and 277,291.59 is: 415,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,061.19 : 1,213,760.41 = 277,291.59 : x
  2. Step 2: Convert to fraction form
    810,061.19/1,213,760.41 = 277,291.59/x
  3. Step 3: Cross multiply
    810,061.19x = 1,213,760.41 × 277,291.59
  4. Step 4: Simplify right side
    810,061.19x = 336,565,546,512.69
  5. Step 5: Solve for x
    x = 336,565,546,512.69/810,061.19
  6. Step 6: Final answer
    x = 415,481.64

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Double scale
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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.