Finding the Fourth Proportional to 1,192,136.61, 1,645,156.26 and 648,278.31
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Solution
The fourth proportional to 1,192,136.61, 1,645,156.26 and 648,278.31 is: 894,628.28
Step by Step Solution
- Step 1: Write the proportion equation
1,192,136.61 : 1,645,156.26 = 648,278.31 : x - Step 2: Convert to fraction form
1,192,136.61/1,645,156.26 = 648,278.31/x - Step 3: Cross multiply
1,192,136.61x = 1,645,156.26 × 648,278.31 - Step 4: Simplify right side
1,192,136.61x = 1,066,519,126,088.06 - Step 5: Solve for x
x = 1,066,519,126,088.06/1,192,136.61 - Step 6: Final answer
x = 894,628.28
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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.