Finding the Fourth Proportional to 1,116,562.11, 1,540,851.44 and 607,272.99
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Solution
The fourth proportional to 1,116,562.11, 1,540,851.44 and 607,272.99 is: 838,034.40
Step by Step Solution
- Step 1: Write the proportion equation
1,116,562.11 : 1,540,851.44 = 607,272.99 : x - Step 2: Convert to fraction form
1,116,562.11/1,540,851.44 = 607,272.99/x - Step 3: Cross multiply
1,116,562.11x = 1,540,851.44 × 607,272.99 - Step 4: Simplify right side
1,116,562.11x = 935,717,458,078.24 - Step 5: Solve for x
x = 935,717,458,078.24/1,116,562.11 - Step 6: Final answer
x = 838,034.40
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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.