Finding the Fourth Proportional to 1,133,191.12, 1,565,208.04 and 822,597.99
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Solution
The fourth proportional to 1,133,191.12, 1,565,208.04 and 822,597.99 is: 1,136,204.63
Step by Step Solution
- Step 1: Write the proportion equation
1,133,191.12 : 1,565,208.04 = 822,597.99 : x - Step 2: Convert to fraction form
1,133,191.12/1,565,208.04 = 822,597.99/x - Step 3: Cross multiply
1,133,191.12x = 1,565,208.04 × 822,597.99 - Step 4: Simplify right side
1,133,191.12x = 1,287,536,994,533.62 - Step 5: Solve for x
x = 1,287,536,994,533.62/1,133,191.12 - Step 6: Final answer
x = 1,136,204.63
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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.