Home / 863,849.12-1,192,037.20-557,939.04

Finding the Fourth Proportional to 863,849.12, 1,192,037.20 and 557,939.04

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Solution

The fourth proportional to 863,849.12, 1,192,037.20 and 557,939.04 is: 769,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,849.12 : 1,192,037.20 = 557,939.04 : x
  2. Step 2: Convert to fraction form
    863,849.12/1,192,037.20 = 557,939.04/x
  3. Step 3: Cross multiply
    863,849.12x = 1,192,037.20 × 557,939.04
  4. Step 4: Simplify right side
    863,849.12x = 665,084,091,012.29
  5. Step 5: Solve for x
    x = 665,084,091,012.29/863,849.12
  6. Step 6: Final answer
    x = 769,907.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.