Home / 415,110.15-622,665.23-273,392.55

Finding the Fourth Proportional to 415,110.15, 622,665.23 and 273,392.55

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Solution

The fourth proportional to 415,110.15, 622,665.23 and 273,392.55 is: 410,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,110.15 : 622,665.23 = 273,392.55 : x
  2. Step 2: Convert to fraction form
    415,110.15/622,665.23 = 273,392.55/x
  3. Step 3: Cross multiply
    415,110.15x = 622,665.23 × 273,392.55
  4. Step 4: Simplify right side
    415,110.15x = 170,232,033,659.07
  5. Step 5: Solve for x
    x = 170,232,033,659.07/415,110.15
  6. Step 6: Final answer
    x = 410,088.83

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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.