Home / 1,694,383.33-2,541,663.76-1,290,209.45

Finding the Fourth Proportional to 1,694,383.33, 2,541,663.76 and 1,290,209.45

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Solution

The fourth proportional to 1,694,383.33, 2,541,663.76 and 1,290,209.45 is: 1,935,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,383.33 : 2,541,663.76 = 1,290,209.45 : x
  2. Step 2: Convert to fraction form
    1,694,383.33/2,541,663.76 = 1,290,209.45/x
  3. Step 3: Cross multiply
    1,694,383.33x = 2,541,663.76 × 1,290,209.45
  4. Step 4: Simplify right side
    1,694,383.33x = 3,279,278,589,166.21
  5. Step 5: Solve for x
    x = 3,279,278,589,166.21/1,694,383.33
  6. Step 6: Final answer
    x = 1,935,381.76

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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.