Finding the Fourth Proportional to 940,682.18, 1,297,643.79 and 595,909.82
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Solution
The fourth proportional to 940,682.18, 1,297,643.79 and 595,909.82 is: 822,040.32
Step by Step Solution
- Step 1: Write the proportion equation
940,682.18 : 1,297,643.79 = 595,909.82 : x - Step 2: Convert to fraction form
940,682.18/1,297,643.79 = 595,909.82/x - Step 3: Cross multiply
940,682.18x = 1,297,643.79 × 595,909.82 - Step 4: Simplify right side
940,682.18x = 773,278,677,323.02 - Step 5: Solve for x
x = 773,278,677,323.02/940,682.18 - Step 6: Final answer
x = 822,040.32
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1.5x scale
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.