Home / 1,545,976.67-2,133,450.31-857,648.56

Finding the Fourth Proportional to 1,545,976.67, 2,133,450.31 and 857,648.56

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Solution

The fourth proportional to 1,545,976.67, 2,133,450.31 and 857,648.56 is: 1,183,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,976.67 : 2,133,450.31 = 857,648.56 : x
  2. Step 2: Convert to fraction form
    1,545,976.67/2,133,450.31 = 857,648.56/x
  3. Step 3: Cross multiply
    1,545,976.67x = 2,133,450.31 × 857,648.56
  4. Step 4: Simplify right side
    1,545,976.67x = 1,829,750,586,203.05
  5. Step 5: Solve for x
    x = 1,829,750,586,203.05/1,545,976.67
  6. Step 6: Final answer
    x = 1,183,556.40

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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.