Home / 388,247.23-582,467.44-308,585.76

Finding the Fourth Proportional to 388,247.23, 582,467.44 and 308,585.76

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Solution

The fourth proportional to 388,247.23, 582,467.44 and 308,585.76 is: 462,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,247.23 : 582,467.44 = 308,585.76 : x
  2. Step 2: Convert to fraction form
    388,247.23/582,467.44 = 308,585.76/x
  3. Step 3: Cross multiply
    388,247.23x = 582,467.44 × 308,585.76
  4. Step 4: Simplify right side
    388,247.23x = 179,741,155,270.54
  5. Step 5: Solve for x
    x = 179,741,155,270.54/388,247.23
  6. Step 6: Final answer
    x = 462,955.41

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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.