Home / 1,409,198.61-1,945,198.40-836,238.63

Finding the Fourth Proportional to 1,409,198.61, 1,945,198.40 and 836,238.63

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Solution

The fourth proportional to 1,409,198.61, 1,945,198.40 and 836,238.63 is: 1,154,308.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,198.61 : 1,945,198.40 = 836,238.63 : x
  2. Step 2: Convert to fraction form
    1,409,198.61/1,945,198.40 = 836,238.63/x
  3. Step 3: Cross multiply
    1,409,198.61x = 1,945,198.40 × 836,238.63
  4. Step 4: Simplify right side
    1,409,198.61x = 1,626,650,040,913.00
  5. Step 5: Solve for x
    x = 1,626,650,040,913.00/1,409,198.61
  6. Step 6: Final answer
    x = 1,154,308.58

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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.