Home / 1,334,043.22-1,840,977.36-722,195.76

Finding the Fourth Proportional to 1,334,043.22, 1,840,977.36 and 722,195.76

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Solution

The fourth proportional to 1,334,043.22, 1,840,977.36 and 722,195.76 is: 996,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,043.22 : 1,840,977.36 = 722,195.76 : x
  2. Step 2: Convert to fraction form
    1,334,043.22/1,840,977.36 = 722,195.76/x
  3. Step 3: Cross multiply
    1,334,043.22x = 1,840,977.36 × 722,195.76
  4. Step 4: Simplify right side
    1,334,043.22x = 1,329,546,043,647.99
  5. Step 5: Solve for x
    x = 1,329,546,043,647.99/1,334,043.22
  6. Step 6: Final answer
    x = 996,628.91

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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.