Home / 656,791.53-985,320.23-277,711.65

Finding the Fourth Proportional to 656,791.53, 985,320.23 and 277,711.65

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Solution

The fourth proportional to 656,791.53, 985,320.23 and 277,711.65 is: 416,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,791.53 : 985,320.23 = 277,711.65 : x
  2. Step 2: Convert to fraction form
    656,791.53/985,320.23 = 277,711.65/x
  3. Step 3: Cross multiply
    656,791.53x = 985,320.23 × 277,711.65
  4. Step 4: Simplify right side
    656,791.53x = 273,634,905,463.12
  5. Step 5: Solve for x
    x = 273,634,905,463.12/656,791.53
  6. Step 6: Final answer
    x = 416,623.68

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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.