Finding the Fourth Proportional to 1,116,724.21, 1,541,353.14 and 633,572.17
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Solution
The fourth proportional to 1,116,724.21, 1,541,353.14 and 633,572.17 is: 874,484.90
Step by Step Solution
- Step 1: Write the proportion equation
1,116,724.21 : 1,541,353.14 = 633,572.17 : x - Step 2: Convert to fraction form
1,116,724.21/1,541,353.14 = 633,572.17/x - Step 3: Cross multiply
1,116,724.21x = 1,541,353.14 × 633,572.17 - Step 4: Simplify right side
1,116,724.21x = 976,558,453,646.11 - Step 5: Solve for x
x = 976,558,453,646.11/1,116,724.21 - Step 6: Final answer
x = 874,484.90
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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.