Home / 378,614.39-567,087.19-312,953.24

Finding the Fourth Proportional to 378,614.39, 567,087.19 and 312,953.24

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Solution

The fourth proportional to 378,614.39, 567,087.19 and 312,953.24 is: 468,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,614.39 : 567,087.19 = 312,953.24 : x
  2. Step 2: Convert to fraction form
    378,614.39/567,087.19 = 312,953.24/x
  3. Step 3: Cross multiply
    378,614.39x = 567,087.19 × 312,953.24
  4. Step 4: Simplify right side
    378,614.39x = 177,471,773,473.00
  5. Step 5: Solve for x
    x = 177,471,773,473.00/378,614.39
  6. Step 6: Final answer
    x = 468,740.17

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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.