Home / 386,219.24-579,454.61-186,562.54

Finding the Fourth Proportional to 386,219.24, 579,454.61 and 186,562.54

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Solution

The fourth proportional to 386,219.24, 579,454.61 and 186,562.54 is: 279,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,219.24 : 579,454.61 = 186,562.54 : x
  2. Step 2: Convert to fraction form
    386,219.24/579,454.61 = 186,562.54/x
  3. Step 3: Cross multiply
    386,219.24x = 579,454.61 × 186,562.54
  4. Step 4: Simplify right side
    386,219.24x = 108,104,524,697.23
  5. Step 5: Solve for x
    x = 108,104,524,697.23/386,219.24
  6. Step 6: Final answer
    x = 279,904.56

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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.