Home / 649,285.27-973,976.81-193,840.49

Finding the Fourth Proportional to 649,285.27, 973,976.81 and 193,840.49

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Solution

The fourth proportional to 649,285.27, 973,976.81 and 193,840.49 is: 290,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,285.27 : 973,976.81 = 193,840.49 : x
  2. Step 2: Convert to fraction form
    649,285.27/973,976.81 = 193,840.49/x
  3. Step 3: Cross multiply
    649,285.27x = 973,976.81 × 193,840.49
  4. Step 4: Simplify right side
    649,285.27x = 188,796,143,564.78
  5. Step 5: Solve for x
    x = 188,796,143,564.78/649,285.27
  6. Step 6: Final answer
    x = 290,775.34

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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.