Home / 690,698.04-1,036,105.70-192,062.04

Finding the Fourth Proportional to 690,698.04, 1,036,105.70 and 192,062.04

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Solution

The fourth proportional to 690,698.04, 1,036,105.70 and 192,062.04 is: 288,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,698.04 : 1,036,105.70 = 192,062.04 : x
  2. Step 2: Convert to fraction form
    690,698.04/1,036,105.70 = 192,062.04/x
  3. Step 3: Cross multiply
    690,698.04x = 1,036,105.70 × 192,062.04
  4. Step 4: Simplify right side
    690,698.04x = 198,996,574,397.63
  5. Step 5: Solve for x
    x = 198,996,574,397.63/690,698.04
  6. Step 6: Final answer
    x = 288,109.37

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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.