Home / 1,419,791.46-1,961,384.94-1,228,472.70

Finding the Fourth Proportional to 1,419,791.46, 1,961,384.94 and 1,228,472.70

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Solution

The fourth proportional to 1,419,791.46, 1,961,384.94 and 1,228,472.70 is: 1,697,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,791.46 : 1,961,384.94 = 1,228,472.70 : x
  2. Step 2: Convert to fraction form
    1,419,791.46/1,961,384.94 = 1,228,472.70/x
  3. Step 3: Cross multiply
    1,419,791.46x = 1,961,384.94 × 1,228,472.70
  4. Step 4: Simplify right side
    1,419,791.46x = 2,409,507,852,981.14
  5. Step 5: Solve for x
    x = 2,409,507,852,981.14/1,419,791.46
  6. Step 6: Final answer
    x = 1,697,085.75

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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.