Home / 1,405,936.32-1,940,193.96-761,357.52

Finding the Fourth Proportional to 1,405,936.32, 1,940,193.96 and 761,357.52

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Solution

The fourth proportional to 1,405,936.32, 1,940,193.96 and 761,357.52 is: 1,050,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,936.32 : 1,940,193.96 = 761,357.52 : x
  2. Step 2: Convert to fraction form
    1,405,936.32/1,940,193.96 = 761,357.52/x
  3. Step 3: Cross multiply
    1,405,936.32x = 1,940,193.96 × 761,357.52
  4. Step 4: Simplify right side
    1,405,936.32x = 1,477,181,261,704.58
  5. Step 5: Solve for x
    x = 1,477,181,261,704.58/1,405,936.32
  6. Step 6: Final answer
    x = 1,050,674.37

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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.