Home / 726,734.50-1,090,111.47-228,098.50

Finding the Fourth Proportional to 726,734.50, 1,090,111.47 and 228,098.50

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Solution

The fourth proportional to 726,734.50, 1,090,111.47 and 228,098.50 is: 342,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,734.50 : 1,090,111.47 = 228,098.50 : x
  2. Step 2: Convert to fraction form
    726,734.50/1,090,111.47 = 228,098.50/x
  3. Step 3: Cross multiply
    726,734.50x = 1,090,111.47 × 228,098.50
  4. Step 4: Simplify right side
    726,734.50x = 248,652,791,139.80
  5. Step 5: Solve for x
    x = 248,652,791,139.80/726,734.50
  6. Step 6: Final answer
    x = 342,150.80

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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.