Home / 1,410,237.21-2,116,196.34-511,749.03

Finding the Fourth Proportional to 1,410,237.21, 2,116,196.34 and 511,749.03

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Solution

The fourth proportional to 1,410,237.21, 2,116,196.34 and 511,749.03 is: 767,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,237.21 : 2,116,196.34 = 511,749.03 : x
  2. Step 2: Convert to fraction form
    1,410,237.21/2,116,196.34 = 511,749.03/x
  3. Step 3: Cross multiply
    1,410,237.21x = 2,116,196.34 × 511,749.03
  4. Step 4: Simplify right side
    1,410,237.21x = 1,082,961,424,284.55
  5. Step 5: Solve for x
    x = 1,082,961,424,284.55/1,410,237.21
  6. Step 6: Final answer
    x = 767,928.56

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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.