Finding the Fourth Proportional to 1,307,747.82, 1,804,713.34 and 719,072
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Solution
The fourth proportional to 1,307,747.82, 1,804,713.34 and 719,072 is: 992,331.10
Step by Step Solution
- Step 1: Write the proportion equation
1,307,747.82 : 1,804,713.34 = 719,072 : x - Step 2: Convert to fraction form
1,307,747.82/1,804,713.34 = 719,072/x - Step 3: Cross multiply
1,307,747.82x = 1,804,713.34 × 719,072 - Step 4: Simplify right side
1,307,747.82x = 1,297,718,830,820.48 - Step 5: Solve for x
x = 1,297,718,830,820.48/1,307,747.82 - Step 6: Final answer
x = 992,331.10
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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.