Home / 857,954.14-1,183,976.24-470,772.10

Finding the Fourth Proportional to 857,954.14, 1,183,976.24 and 470,772.10

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Solution

The fourth proportional to 857,954.14, 1,183,976.24 and 470,772.10 is: 649,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,954.14 : 1,183,976.24 = 470,772.10 : x
  2. Step 2: Convert to fraction form
    857,954.14/1,183,976.24 = 470,772.10/x
  3. Step 3: Cross multiply
    857,954.14x = 1,183,976.24 × 470,772.10
  4. Step 4: Simplify right side
    857,954.14x = 557,382,982,174.55
  5. Step 5: Solve for x
    x = 557,382,982,174.55/857,954.14
  6. Step 6: Final answer
    x = 649,665.24

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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.