Home / 1,174,863.94-1,621,190.40-691,400.26

Finding the Fourth Proportional to 1,174,863.94, 1,621,190.40 and 691,400.26

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Solution

The fourth proportional to 1,174,863.94, 1,621,190.40 and 691,400.26 is: 954,060.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,863.94 : 1,621,190.40 = 691,400.26 : x
  2. Step 2: Convert to fraction form
    1,174,863.94/1,621,190.40 = 691,400.26/x
  3. Step 3: Cross multiply
    1,174,863.94x = 1,621,190.40 × 691,400.26
  4. Step 4: Simplify right side
    1,174,863.94x = 1,120,891,464,069.50
  5. Step 5: Solve for x
    x = 1,120,891,464,069.50/1,174,863.94
  6. Step 6: Final answer
    x = 954,060.66

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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.