Home / 1,210,669.21-1,670,577.24-694,396.36

Finding the Fourth Proportional to 1,210,669.21, 1,670,577.24 and 694,396.36

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Solution

The fourth proportional to 1,210,669.21, 1,670,577.24 and 694,396.36 is: 958,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,669.21 : 1,670,577.24 = 694,396.36 : x
  2. Step 2: Convert to fraction form
    1,210,669.21/1,670,577.24 = 694,396.36/x
  3. Step 3: Cross multiply
    1,210,669.21x = 1,670,577.24 × 694,396.36
  4. Step 4: Simplify right side
    1,210,669.21x = 1,160,042,754,554.85
  5. Step 5: Solve for x
    x = 1,160,042,754,554.85/1,210,669.21
  6. Step 6: Final answer
    x = 958,183.08

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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.