Home / 656,175.89-984,401.19-277,097.78

Finding the Fourth Proportional to 656,175.89, 984,401.19 and 277,097.78

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Solution

The fourth proportional to 656,175.89, 984,401.19 and 277,097.78 is: 415,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,175.89 : 984,401.19 = 277,097.78 : x
  2. Step 2: Convert to fraction form
    656,175.89/984,401.19 = 277,097.78/x
  3. Step 3: Cross multiply
    656,175.89x = 984,401.19 × 277,097.78
  4. Step 4: Simplify right side
    656,175.89x = 272,775,379,456.35
  5. Step 5: Solve for x
    x = 272,775,379,456.35/656,175.89
  6. Step 6: Final answer
    x = 415,704.67

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1.5x scale

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.