Home / 1,301,326.82-1,795,812.43-720,494.24

Finding the Fourth Proportional to 1,301,326.82, 1,795,812.43 and 720,494.24

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Solution

The fourth proportional to 1,301,326.82, 1,795,812.43 and 720,494.24 is: 994,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,326.82 : 1,795,812.43 = 720,494.24 : x
  2. Step 2: Convert to fraction form
    1,301,326.82/1,795,812.43 = 720,494.24/x
  3. Step 3: Cross multiply
    1,301,326.82x = 1,795,812.43 × 720,494.24
  4. Step 4: Simplify right side
    1,301,326.82x = 1,293,872,511,935.40
  5. Step 5: Solve for x
    x = 1,293,872,511,935.40/1,301,326.82
  6. Step 6: Final answer
    x = 994,271.76

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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.