Home / 1,405,864.26-1,940,101.92-761,284.44

Finding the Fourth Proportional to 1,405,864.26, 1,940,101.92 and 761,284.44

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Solution

The fourth proportional to 1,405,864.26, 1,940,101.92 and 761,284.44 is: 1,050,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,864.26 : 1,940,101.92 = 761,284.44 : x
  2. Step 2: Convert to fraction form
    1,405,864.26/1,940,101.92 = 761,284.44/x
  3. Step 3: Cross multiply
    1,405,864.26x = 1,940,101.92 × 761,284.44
  4. Step 4: Simplify right side
    1,405,864.26x = 1,476,969,403,710.12
  5. Step 5: Solve for x
    x = 1,476,969,403,710.12/1,405,864.26
  6. Step 6: Final answer
    x = 1,050,577.53

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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.