Home / 1,421,759.00-1,961,548.60-809,478.73

Finding the Fourth Proportional to 1,421,759.00, 1,961,548.60 and 809,478.73

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Solution

The fourth proportional to 1,421,759.00, 1,961,548.60 and 809,478.73 is: 1,116,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,759.00 : 1,961,548.60 = 809,478.73 : x
  2. Step 2: Convert to fraction form
    1,421,759.00/1,961,548.60 = 809,478.73/x
  3. Step 3: Cross multiply
    1,421,759.00x = 1,961,548.60 × 809,478.73
  4. Step 4: Simplify right side
    1,421,759.00x = 1,587,831,871,507.29
  5. Step 5: Solve for x
    x = 1,587,831,871,507.29/1,421,759.00
  6. Step 6: Final answer
    x = 1,116,808.03

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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.