Finding the Fourth Proportional to 1,116,849.87, 1,541,208.06 and 607,541.31
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Solution
The fourth proportional to 1,116,849.87, 1,541,208.06 and 607,541.31 is: 838,382.66
Step by Step Solution
- Step 1: Write the proportion equation
1,116,849.87 : 1,541,208.06 = 607,541.31 : x - Step 2: Convert to fraction form
1,116,849.87/1,541,208.06 = 607,541.31/x - Step 3: Cross multiply
1,116,849.87x = 1,541,208.06 × 607,541.31 - Step 4: Simplify right side
1,116,849.87x = 936,347,563,754.96 - Step 5: Solve for x
x = 936,347,563,754.96/1,116,849.87 - Step 6: Final answer
x = 838,382.66
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1.5x scale
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.