Finding the Fourth Proportional to 1,279,104.73, 1,765,136.01 and 698,305.57
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Solution
The fourth proportional to 1,279,104.73, 1,765,136.01 and 698,305.57 is: 963,646.12
Step by Step Solution
- Step 1: Write the proportion equation
1,279,104.73 : 1,765,136.01 = 698,305.57 : x - Step 2: Convert to fraction form
1,279,104.73/1,765,136.01 = 698,305.57/x - Step 3: Cross multiply
1,279,104.73x = 1,765,136.01 × 698,305.57 - Step 4: Simplify right side
1,279,104.73x = 1,232,604,307,590.58 - Step 5: Solve for x
x = 1,232,604,307,590.58/1,279,104.73 - Step 6: Final answer
x = 963,646.12
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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.