Finding the Fourth Proportional to 1,154,685.09, 1,731,845.69 and 386,176.95
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Solution
The fourth proportional to 1,154,685.09, 1,731,845.69 and 386,176.95 is: 579,204.58
Step by Step Solution
- Step 1: Write the proportion equation
1,154,685.09 : 1,731,845.69 = 386,176.95 : x - Step 2: Convert to fraction form
1,154,685.09/1,731,845.69 = 386,176.95/x - Step 3: Cross multiply
1,154,685.09x = 1,731,845.69 × 386,176.95 - Step 4: Simplify right side
1,154,685.09x = 668,798,888,124.37 - Step 5: Solve for x
x = 668,798,888,124.37/1,154,685.09 - Step 6: Final answer
x = 579,204.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.