Home / 1,526,080.97-2,105,914.40-905,912.65

Finding the Fourth Proportional to 1,526,080.97, 2,105,914.40 and 905,912.65

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Solution

The fourth proportional to 1,526,080.97, 2,105,914.40 and 905,912.65 is: 1,250,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,080.97 : 2,105,914.40 = 905,912.65 : x
  2. Step 2: Convert to fraction form
    1,526,080.97/2,105,914.40 = 905,912.65/x
  3. Step 3: Cross multiply
    1,526,080.97x = 2,105,914.40 × 905,912.65
  4. Step 4: Simplify right side
    1,526,080.97x = 1,907,774,482,601.12
  5. Step 5: Solve for x
    x = 1,907,774,482,601.12/1,526,080.97
  6. Step 6: Final answer
    x = 1,250,113.54

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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.