Home / 1,071,804.36-1,606,205.34-805,395

Finding the Fourth Proportional to 1,071,804.36, 1,606,205.34 and 805,395

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Solution

The fourth proportional to 1,071,804.36, 1,606,205.34 and 805,395 is: 1,206,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,804.36 : 1,606,205.34 = 805,395 : x
  2. Step 2: Convert to fraction form
    1,071,804.36/1,606,205.34 = 805,395/x
  3. Step 3: Cross multiply
    1,071,804.36x = 1,606,205.34 × 805,395
  4. Step 4: Simplify right side
    1,071,804.36x = 1,293,629,749,809.30
  5. Step 5: Solve for x
    x = 1,293,629,749,809.30/1,071,804.36
  6. Step 6: Final answer
    x = 1,206,964.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.