Finding the Fourth Proportional to 804,566.80, 1,129,542.80 and 804,566.80
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Solution
The fourth proportional to 804,566.80, 1,129,542.80 and 804,566.80 is: 1,129,542.80
Step by Step Solution
- Step 1: Write the proportion equation
804,566.80 : 1,129,542.80 = 804,566.80 : x - Step 2: Convert to fraction form
804,566.80/1,129,542.80 = 804,566.80/x - Step 3: Cross multiply
804,566.80x = 1,129,542.80 × 804,566.80 - Step 4: Simplify right side
804,566.80x = 908,792,636,059.04 - Step 5: Solve for x
x = 908,792,636,059.04/804,566.80 - Step 6: Final answer
x = 1,129,542.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.