Home / 1,253,035.36-1,729,190.06-680,075.79

Finding the Fourth Proportional to 1,253,035.36, 1,729,190.06 and 680,075.79

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Solution

The fourth proportional to 1,253,035.36, 1,729,190.06 and 680,075.79 is: 938,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,035.36 : 1,729,190.06 = 680,075.79 : x
  2. Step 2: Convert to fraction form
    1,253,035.36/1,729,190.06 = 680,075.79/x
  3. Step 3: Cross multiply
    1,253,035.36x = 1,729,190.06 × 680,075.79
  4. Step 4: Simplify right side
    1,253,035.36x = 1,175,980,296,114.65
  5. Step 5: Solve for x
    x = 1,175,980,296,114.65/1,253,035.36
  6. Step 6: Final answer
    x = 938,505.28

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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.