Home / 1,405,999.44-1,940,276.24-761,417.64

Finding the Fourth Proportional to 1,405,999.44, 1,940,276.24 and 761,417.64

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Solution

The fourth proportional to 1,405,999.44, 1,940,276.24 and 761,417.64 is: 1,050,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,999.44 : 1,940,276.24 = 761,417.64 : x
  2. Step 2: Convert to fraction form
    1,405,999.44/1,940,276.24 = 761,417.64/x
  3. Step 3: Cross multiply
    1,405,999.44x = 1,940,276.24 × 761,417.64
  4. Step 4: Simplify right side
    1,405,999.44x = 1,477,360,555,608.87
  5. Step 5: Solve for x
    x = 1,477,360,555,608.87/1,405,999.44
  6. Step 6: Final answer
    x = 1,050,754.73

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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.