Home / 763,795.78-1,143,949.41-364,717.48

Finding the Fourth Proportional to 763,795.78, 1,143,949.41 and 364,717.48

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Solution

The fourth proportional to 763,795.78, 1,143,949.41 and 364,717.48 is: 546,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,795.78 : 1,143,949.41 = 364,717.48 : x
  2. Step 2: Convert to fraction form
    763,795.78/1,143,949.41 = 364,717.48/x
  3. Step 3: Cross multiply
    763,795.78x = 1,143,949.41 × 364,717.48
  4. Step 4: Simplify right side
    763,795.78x = 417,218,346,062.69
  5. Step 5: Solve for x
    x = 417,218,346,062.69/763,795.78
  6. Step 6: Final answer
    x = 546,243.32

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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.