Finding the Fourth Proportional to 842,743.26, 1,162,977.75 and 460,765.98
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Solution
The fourth proportional to 842,743.26, 1,162,977.75 and 460,765.98 is: 635,852.71
Step by Step Solution
- Step 1: Write the proportion equation
842,743.26 : 1,162,977.75 = 460,765.98 : x - Step 2: Convert to fraction form
842,743.26/1,162,977.75 = 460,765.98/x - Step 3: Cross multiply
842,743.26x = 1,162,977.75 × 460,765.98 - Step 4: Simplify right side
842,743.26x = 535,860,582,696.95 - Step 5: Solve for x
x = 535,860,582,696.95/842,743.26 - Step 6: Final answer
x = 635,852.71
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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.