Home / 1,686,834.12-2,325,409.92-1,202,558.52

Finding the Fourth Proportional to 1,686,834.12, 2,325,409.92 and 1,202,558.52

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Solution

The fourth proportional to 1,686,834.12, 2,325,409.92 and 1,202,558.52 is: 1,657,804.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,834.12 : 2,325,409.92 = 1,202,558.52 : x
  2. Step 2: Convert to fraction form
    1,686,834.12/2,325,409.92 = 1,202,558.52/x
  3. Step 3: Cross multiply
    1,686,834.12x = 2,325,409.92 × 1,202,558.52
  4. Step 4: Simplify right side
    1,686,834.12x = 2,796,441,511,788.52
  5. Step 5: Solve for x
    x = 2,796,441,511,788.52/1,686,834.12
  6. Step 6: Final answer
    x = 1,657,804.69

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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.