Home / 1,211,799.24-1,673,880.26-905,343.03

Finding the Fourth Proportional to 1,211,799.24, 1,673,880.26 and 905,343.03

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Solution

The fourth proportional to 1,211,799.24, 1,673,880.26 and 905,343.03 is: 1,250,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,799.24 : 1,673,880.26 = 905,343.03 : x
  2. Step 2: Convert to fraction form
    1,211,799.24/1,673,880.26 = 905,343.03/x
  3. Step 3: Cross multiply
    1,211,799.24x = 1,673,880.26 × 905,343.03
  4. Step 4: Simplify right side
    1,211,799.24x = 1,515,435,821,918.87
  5. Step 5: Solve for x
    x = 1,515,435,821,918.87/1,211,799.24
  6. Step 6: Final answer
    x = 1,250,566.74

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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.