Finding the Fourth Proportional to 793,490.26, 1,095,763.58 and 552,431.82
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Solution
The fourth proportional to 793,490.26, 1,095,763.58 and 552,431.82 is: 762,875.99
Step by Step Solution
- Step 1: Write the proportion equation
793,490.26 : 1,095,763.58 = 552,431.82 : x - Step 2: Convert to fraction form
793,490.26/1,095,763.58 = 552,431.82/x - Step 3: Cross multiply
793,490.26x = 1,095,763.58 × 552,431.82 - Step 4: Simplify right side
793,490.26x = 605,334,668,789.12 - Step 5: Solve for x
x = 605,334,668,789.12/793,490.26 - Step 6: Final answer
x = 762,875.99
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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.