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Finding the Fourth Proportional to 805,747.26, 1,111,326.99 and 770,012.22

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Solution

The fourth proportional to 805,747.26, 1,111,326.99 and 770,012.22 is: 1,062,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,747.26 : 1,111,326.99 = 770,012.22 : x
  2. Step 2: Convert to fraction form
    805,747.26/1,111,326.99 = 770,012.22/x
  3. Step 3: Cross multiply
    805,747.26x = 1,111,326.99 × 770,012.22
  4. Step 4: Simplify right side
    805,747.26x = 855,735,362,715.82
  5. Step 5: Solve for x
    x = 855,735,362,715.82/805,747.26
  6. Step 6: Final answer
    x = 1,062,039.43

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1.5x scale

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.