Home / 1,219,389.89-1,682,752.61-703,141.25

Finding the Fourth Proportional to 1,219,389.89, 1,682,752.61 and 703,141.25

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Solution

The fourth proportional to 1,219,389.89, 1,682,752.61 and 703,141.25 is: 970,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,389.89 : 1,682,752.61 = 703,141.25 : x
  2. Step 2: Convert to fraction form
    1,219,389.89/1,682,752.61 = 703,141.25/x
  3. Step 3: Cross multiply
    1,219,389.89x = 1,682,752.61 × 703,141.25
  4. Step 4: Simplify right side
    1,219,389.89x = 1,183,212,770,120.46
  5. Step 5: Solve for x
    x = 1,183,212,770,120.46/1,219,389.89
  6. Step 6: Final answer
    x = 970,331.79

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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.