Home / 656,914.70-985,065.78-341,286.86

Finding the Fourth Proportional to 656,914.70, 985,065.78 and 341,286.86

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Solution

The fourth proportional to 656,914.70, 985,065.78 and 341,286.86 is: 511,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,914.70 : 985,065.78 = 341,286.86 : x
  2. Step 2: Convert to fraction form
    656,914.70/985,065.78 = 341,286.86/x
  3. Step 3: Cross multiply
    656,914.70x = 985,065.78 × 341,286.86
  4. Step 4: Simplify right side
    656,914.70x = 336,190,006,949.65
  5. Step 5: Solve for x
    x = 336,190,006,949.65/656,914.70
  6. Step 6: Final answer
    x = 511,771.17

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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.