Finding the Fourth Proportional to 1,622,394.37, 2,431,875.41 and 611,078.75
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Solution
The fourth proportional to 1,622,394.37, 2,431,875.41 and 611,078.75 is: 915,971.74
Step by Step Solution
- Step 1: Write the proportion equation
1,622,394.37 : 2,431,875.41 = 611,078.75 : x - Step 2: Convert to fraction form
1,622,394.37/2,431,875.41 = 611,078.75/x - Step 3: Cross multiply
1,622,394.37x = 2,431,875.41 × 611,078.75 - Step 4: Simplify right side
1,622,394.37x = 1,486,067,382,643.14 - Step 5: Solve for x
x = 1,486,067,382,643.14/1,622,394.37 - Step 6: Final answer
x = 915,971.74
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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.