Finding the Fourth Proportional to 1,225,529.66, 1,691,206.63 and 681,653.75
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Solution
The fourth proportional to 1,225,529.66, 1,691,206.63 and 681,653.75 is: 940,668.65
Step by Step Solution
- Step 1: Write the proportion equation
1,225,529.66 : 1,691,206.63 = 681,653.75 : x - Step 2: Convert to fraction form
1,225,529.66/1,691,206.63 = 681,653.75/x - Step 3: Cross multiply
1,225,529.66x = 1,691,206.63 × 681,653.75 - Step 4: Simplify right side
1,225,529.66x = 1,152,817,331,204.19 - Step 5: Solve for x
x = 1,152,817,331,204.19/1,225,529.66 - Step 6: Final answer
x = 940,668.65
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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.