Home / 726,628.50-1,090,117.80-227,992.50

Finding the Fourth Proportional to 726,628.50, 1,090,117.80 and 227,992.50

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Solution

The fourth proportional to 726,628.50, 1,090,117.80 and 227,992.50 is: 342,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,628.50 : 1,090,117.80 = 227,992.50 : x
  2. Step 2: Convert to fraction form
    726,628.50/1,090,117.80 = 227,992.50/x
  3. Step 3: Cross multiply
    726,628.50x = 1,090,117.80 × 227,992.50
  4. Step 4: Simplify right side
    726,628.50x = 248,538,682,516.50
  5. Step 5: Solve for x
    x = 248,538,682,516.50/726,628.50
  6. Step 6: Final answer
    x = 342,043.68

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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.