Home / 1,175,240.26-1,621,832.25-638,696.26

Finding the Fourth Proportional to 1,175,240.26, 1,621,832.25 and 638,696.26

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Solution

The fourth proportional to 1,175,240.26, 1,621,832.25 and 638,696.26 is: 881,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,240.26 : 1,621,832.25 = 638,696.26 : x
  2. Step 2: Convert to fraction form
    1,175,240.26/1,621,832.25 = 638,696.26/x
  3. Step 3: Cross multiply
    1,175,240.26x = 1,621,832.25 × 638,696.26
  4. Step 4: Simplify right side
    1,175,240.26x = 1,035,858,192,422.39
  5. Step 5: Solve for x
    x = 1,035,858,192,422.39/1,175,240.26
  6. Step 6: Final answer
    x = 881,401.21

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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.