Home / 1,237,632.12-1,856,449.62-339,081.66

Finding the Fourth Proportional to 1,237,632.12, 1,856,449.62 and 339,081.66

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Solution

The fourth proportional to 1,237,632.12, 1,856,449.62 and 339,081.66 is: 508,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,632.12 : 1,856,449.62 = 339,081.66 : x
  2. Step 2: Convert to fraction form
    1,237,632.12/1,856,449.62 = 339,081.66/x
  3. Step 3: Cross multiply
    1,237,632.12x = 1,856,449.62 × 339,081.66
  4. Step 4: Simplify right side
    1,237,632.12x = 629,488,018,855.97
  5. Step 5: Solve for x
    x = 629,488,018,855.97/1,237,632.12
  6. Step 6: Final answer
    x = 508,622.88

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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.