Finding the Fourth Proportional to 1,279,370.09, 1,765,539.28 and 698,597.26
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Solution
The fourth proportional to 1,279,370.09, 1,765,539.28 and 698,597.26 is: 964,068.89
Step by Step Solution
- Step 1: Write the proportion equation
1,279,370.09 : 1,765,539.28 = 698,597.26 : x - Step 2: Convert to fraction form
1,279,370.09/1,765,539.28 = 698,597.26/x - Step 3: Cross multiply
1,279,370.09x = 1,765,539.28 × 698,597.26 - Step 4: Simplify right side
1,279,370.09x = 1,233,400,899,889.77 - Step 5: Solve for x
x = 1,233,400,899,889.77/1,279,370.09 - Step 6: Final answer
x = 964,068.89
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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.