Home / 1,277,885.40-1,912,839.30-941,305.56

Finding the Fourth Proportional to 1,277,885.40, 1,912,839.30 and 941,305.56

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Solution

The fourth proportional to 1,277,885.40, 1,912,839.30 and 941,305.56 is: 1,409,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,885.40 : 1,912,839.30 = 941,305.56 : x
  2. Step 2: Convert to fraction form
    1,277,885.40/1,912,839.30 = 941,305.56/x
  3. Step 3: Cross multiply
    1,277,885.40x = 1,912,839.30 × 941,305.56
  4. Step 4: Simplify right side
    1,277,885.40x = 1,800,566,268,476.51
  5. Step 5: Solve for x
    x = 1,800,566,268,476.51/1,277,885.40
  6. Step 6: Final answer
    x = 1,409,020.14

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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.