Finding the Fourth Proportional to 1,242,817.44, 1,715,071.68 and 698,953.08
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Solution
The fourth proportional to 1,242,817.44, 1,715,071.68 and 698,953.08 is: 964,546.03
Step by Step Solution
- Step 1: Write the proportion equation
1,242,817.44 : 1,715,071.68 = 698,953.08 : x - Step 2: Convert to fraction form
1,242,817.44/1,715,071.68 = 698,953.08/x - Step 3: Cross multiply
1,242,817.44x = 1,715,071.68 × 698,953.08 - Step 4: Simplify right side
1,242,817.44x = 1,198,754,633,156.77 - Step 5: Solve for x
x = 1,198,754,633,156.77/1,242,817.44 - Step 6: Final answer
x = 964,546.03
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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.