Home / 1,214,714.19-1,821,884.37-405,112.85

Finding the Fourth Proportional to 1,214,714.19, 1,821,884.37 and 405,112.85

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Solution

The fourth proportional to 1,214,714.19, 1,821,884.37 and 405,112.85 is: 607,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,714.19 : 1,821,884.37 = 405,112.85 : x
  2. Step 2: Convert to fraction form
    1,214,714.19/1,821,884.37 = 405,112.85/x
  3. Step 3: Cross multiply
    1,214,714.19x = 1,821,884.37 × 405,112.85
  4. Step 4: Simplify right side
    1,214,714.19x = 738,068,760,391.73
  5. Step 5: Solve for x
    x = 738,068,760,391.73/1,214,714.19
  6. Step 6: Final answer
    x = 607,606.93

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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.