Finding the Fourth Proportional to 5,248,940.26, 7,873,410.40 and 1,259,852.26
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Solution
The fourth proportional to 5,248,940.26, 7,873,410.40 and 1,259,852.26 is: 1,889,778.39
Step by Step Solution
- Step 1: Write the proportion equation
5,248,940.26 : 7,873,410.40 = 1,259,852.26 : x - Step 2: Convert to fraction form
5,248,940.26/7,873,410.40 = 1,259,852.26/x - Step 3: Cross multiply
5,248,940.26x = 7,873,410.40 × 1,259,852.26 - Step 4: Simplify right side
5,248,940.26x = 9,919,333,886,347.50 - Step 5: Solve for x
x = 9,919,333,886,347.50/5,248,940.26 - Step 6: Final answer
x = 1,889,778.39
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1.5x scale
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.