Home / 698,188.68-1,047,262.10-192,780.54

Finding the Fourth Proportional to 698,188.68, 1,047,262.10 and 192,780.54

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Solution

The fourth proportional to 698,188.68, 1,047,262.10 and 192,780.54 is: 289,165.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,188.68 : 1,047,262.10 = 192,780.54 : x
  2. Step 2: Convert to fraction form
    698,188.68/1,047,262.10 = 192,780.54/x
  3. Step 3: Cross multiply
    698,188.68x = 1,047,262.10 × 192,780.54
  4. Step 4: Simplify right side
    698,188.68x = 201,891,752,195.63
  5. Step 5: Solve for x
    x = 201,891,752,195.63/698,188.68
  6. Step 6: Final answer
    x = 289,165.03

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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.