Home / 639,260.07-882,183.72-348,873.85

Finding the Fourth Proportional to 639,260.07, 882,183.72 and 348,873.85

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Solution

The fourth proportional to 639,260.07, 882,183.72 and 348,873.85 is: 481,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,260.07 : 882,183.72 = 348,873.85 : x
  2. Step 2: Convert to fraction form
    639,260.07/882,183.72 = 348,873.85/x
  3. Step 3: Cross multiply
    639,260.07x = 882,183.72 × 348,873.85
  4. Step 4: Simplify right side
    639,260.07x = 307,770,833,214.73
  5. Step 5: Solve for x
    x = 307,770,833,214.73/639,260.07
  6. Step 6: Final answer
    x = 481,448.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.