Home / 1,664,859.14-2,296,659.30-1,011,311.78

Finding the Fourth Proportional to 1,664,859.14, 2,296,659.30 and 1,011,311.78

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Solution

The fourth proportional to 1,664,859.14, 2,296,659.30 and 1,011,311.78 is: 1,395,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,859.14 : 2,296,659.30 = 1,011,311.78 : x
  2. Step 2: Convert to fraction form
    1,664,859.14/2,296,659.30 = 1,011,311.78/x
  3. Step 3: Cross multiply
    1,664,859.14x = 2,296,659.30 × 1,011,311.78
  4. Step 4: Simplify right side
    1,664,859.14x = 2,322,638,604,736.55
  5. Step 5: Solve for x
    x = 2,322,638,604,736.55/1,664,859.14
  6. Step 6: Final answer
    x = 1,395,096.17

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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.