Home / 1,900,405.13-2,850,017.87-685,824.03

Finding the Fourth Proportional to 1,900,405.13, 2,850,017.87 and 685,824.03

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Solution

The fourth proportional to 1,900,405.13, 2,850,017.87 and 685,824.03 is: 1,028,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,405.13 : 2,850,017.87 = 685,824.03 : x
  2. Step 2: Convert to fraction form
    1,900,405.13/2,850,017.87 = 685,824.03/x
  3. Step 3: Cross multiply
    1,900,405.13x = 2,850,017.87 × 685,824.03
  4. Step 4: Simplify right side
    1,900,405.13x = 1,954,610,742,889.98
  5. Step 5: Solve for x
    x = 1,954,610,742,889.98/1,900,405.13
  6. Step 6: Final answer
    x = 1,028,523.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.