Home / 690,695.04-1,036,101.20-192,059.04

Finding the Fourth Proportional to 690,695.04, 1,036,101.20 and 192,059.04

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Solution

The fourth proportional to 690,695.04, 1,036,101.20 and 192,059.04 is: 288,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,695.04 : 1,036,101.20 = 192,059.04 : x
  2. Step 2: Convert to fraction form
    690,695.04/1,036,101.20 = 192,059.04/x
  3. Step 3: Cross multiply
    690,695.04x = 1,036,101.20 × 192,059.04
  4. Step 4: Simplify right side
    690,695.04x = 198,992,601,814.85
  5. Step 5: Solve for x
    x = 198,992,601,814.85/690,695.04
  6. Step 6: Final answer
    x = 288,104.87

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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.