Home / 1,405,867.06-1,940,093-761,287.24

Finding the Fourth Proportional to 1,405,867.06, 1,940,093 and 761,287.24

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Solution

The fourth proportional to 1,405,867.06, 1,940,093 and 761,287.24 is: 1,050,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,867.06 : 1,940,093 = 761,287.24 : x
  2. Step 2: Convert to fraction form
    1,405,867.06/1,940,093 = 761,287.24/x
  3. Step 3: Cross multiply
    1,405,867.06x = 1,940,093 × 761,287.24
  4. Step 4: Simplify right side
    1,405,867.06x = 1,476,968,045,313.32
  5. Step 5: Solve for x
    x = 1,476,968,045,313.32/1,405,867.06
  6. Step 6: Final answer
    x = 1,050,574.47

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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.