Home / 692,192.20-1,038,093.90-219,022.60

Finding the Fourth Proportional to 692,192.20, 1,038,093.90 and 219,022.60

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Solution

The fourth proportional to 692,192.20, 1,038,093.90 and 219,022.60 is: 328,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,192.20 : 1,038,093.90 = 219,022.60 : x
  2. Step 2: Convert to fraction form
    692,192.20/1,038,093.90 = 219,022.60/x
  3. Step 3: Cross multiply
    692,192.20x = 1,038,093.90 × 219,022.60
  4. Step 4: Simplify right side
    692,192.20x = 227,366,025,022.14
  5. Step 5: Solve for x
    x = 227,366,025,022.14/692,192.20
  6. Step 6: Final answer
    x = 328,472.39

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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.