Finding the Fourth Proportional to 1,176,516.74, 1,623,593.12 and 667,219.12
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Solution
The fourth proportional to 1,176,516.74, 1,623,593.12 and 667,219.12 is: 920,762.40
Step by Step Solution
- Step 1: Write the proportion equation
1,176,516.74 : 1,623,593.12 = 667,219.12 : x - Step 2: Convert to fraction form
1,176,516.74/1,623,593.12 = 667,219.12/x - Step 3: Cross multiply
1,176,516.74x = 1,623,593.12 × 667,219.12 - Step 4: Simplify right side
1,176,516.74x = 1,083,292,372,764.45 - Step 5: Solve for x
x = 1,083,292,372,764.45/1,176,516.74 - Step 6: Final answer
x = 920,762.40
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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.