Home / 763,794.78-1,143,947.91-364,716.48

Finding the Fourth Proportional to 763,794.78, 1,143,947.91 and 364,716.48

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Solution

The fourth proportional to 763,794.78, 1,143,947.91 and 364,716.48 is: 546,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,794.78 : 1,143,947.91 = 364,716.48 : x
  2. Step 2: Convert to fraction form
    763,794.78/1,143,947.91 = 364,716.48/x
  3. Step 3: Cross multiply
    763,794.78x = 1,143,947.91 × 364,716.48
  4. Step 4: Simplify right side
    763,794.78x = 417,216,655,038.56
  5. Step 5: Solve for x
    x = 417,216,655,038.56/763,794.78
  6. Step 6: Final answer
    x = 546,241.83

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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.