Finding the Fourth Proportional to 1,678,668.96, 2,316,533.04 and 914,728.80
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Solution
The fourth proportional to 1,678,668.96, 2,316,533.04 and 914,728.80 is: 1,262,309.33
Step by Step Solution
- Step 1: Write the proportion equation
1,678,668.96 : 2,316,533.04 = 914,728.80 : x - Step 2: Convert to fraction form
1,678,668.96/2,316,533.04 = 914,728.80/x - Step 3: Cross multiply
1,678,668.96x = 2,316,533.04 × 914,728.80 - Step 4: Simplify right side
1,678,668.96x = 2,118,999,487,839.55 - Step 5: Solve for x
x = 2,118,999,487,839.55/1,678,668.96 - Step 6: Final answer
x = 1,262,309.33
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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.