Home / 397,127.18-548,035.80-227,362.52

Finding the Fourth Proportional to 397,127.18, 548,035.80 and 227,362.52

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Solution

The fourth proportional to 397,127.18, 548,035.80 and 227,362.52 is: 313,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,127.18 : 548,035.80 = 227,362.52 : x
  2. Step 2: Convert to fraction form
    397,127.18/548,035.80 = 227,362.52/x
  3. Step 3: Cross multiply
    397,127.18x = 548,035.80 × 227,362.52
  4. Step 4: Simplify right side
    397,127.18x = 124,602,800,538.22
  5. Step 5: Solve for x
    x = 124,602,800,538.22/397,127.18
  6. Step 6: Final answer
    x = 313,760.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.