Home / 1,269,538.56-1,905,228-470,933.64

Finding the Fourth Proportional to 1,269,538.56, 1,905,228 and 470,933.64

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Solution

The fourth proportional to 1,269,538.56, 1,905,228 and 470,933.64 is: 706,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,538.56 : 1,905,228 = 470,933.64 : x
  2. Step 2: Convert to fraction form
    1,269,538.56/1,905,228 = 470,933.64/x
  3. Step 3: Cross multiply
    1,269,538.56x = 1,905,228 × 470,933.64
  4. Step 4: Simplify right side
    1,269,538.56x = 897,235,957,069.92
  5. Step 5: Solve for x
    x = 897,235,957,069.92/1,269,538.56
  6. Step 6: Final answer
    x = 706,741.79

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Why These Related Problems?

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