Home / 1,277,882.40-1,912,834.80-941,302.56

Finding the Fourth Proportional to 1,277,882.40, 1,912,834.80 and 941,302.56

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Solution

The fourth proportional to 1,277,882.40, 1,912,834.80 and 941,302.56 is: 1,409,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,882.40 : 1,912,834.80 = 941,302.56 : x
  2. Step 2: Convert to fraction form
    1,277,882.40/1,912,834.80 = 941,302.56/x
  3. Step 3: Cross multiply
    1,277,882.40x = 1,912,834.80 × 941,302.56
  4. Step 4: Simplify right side
    1,277,882.40x = 1,800,556,294,097.09
  5. Step 5: Solve for x
    x = 1,800,556,294,097.09/1,277,882.40
  6. Step 6: Final answer
    x = 1,409,015.65

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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.