Home / 1,115,620.22-1,537,789.20-1,022,946.14

Finding the Fourth Proportional to 1,115,620.22, 1,537,789.20 and 1,022,946.14

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Solution

The fourth proportional to 1,115,620.22, 1,537,789.20 and 1,022,946.14 is: 1,410,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,620.22 : 1,537,789.20 = 1,022,946.14 : x
  2. Step 2: Convert to fraction form
    1,115,620.22/1,537,789.20 = 1,022,946.14/x
  3. Step 3: Cross multiply
    1,115,620.22x = 1,537,789.20 × 1,022,946.14
  4. Step 4: Simplify right side
    1,115,620.22x = 1,573,075,526,273.69
  5. Step 5: Solve for x
    x = 1,573,075,526,273.69/1,115,620.22
  6. Step 6: Final answer
    x = 1,410,045.73

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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.