Home / 1,269,297.23-1,751,888.01-861,530.47

Finding the Fourth Proportional to 1,269,297.23, 1,751,888.01 and 861,530.47

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Solution

The fourth proportional to 1,269,297.23, 1,751,888.01 and 861,530.47 is: 1,189,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,297.23 : 1,751,888.01 = 861,530.47 : x
  2. Step 2: Convert to fraction form
    1,269,297.23/1,751,888.01 = 861,530.47/x
  3. Step 3: Cross multiply
    1,269,297.23x = 1,751,888.01 × 861,530.47
  4. Step 4: Simplify right side
    1,269,297.23x = 1,509,304,891,883.22
  5. Step 5: Solve for x
    x = 1,509,304,891,883.22/1,269,297.23
  6. Step 6: Final answer
    x = 1,189,087.05

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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.