Finding the Fourth Proportional to 1,332,687.92, 1,999,030.26 and 434,128.19
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Solution
The fourth proportional to 1,332,687.92, 1,999,030.26 and 434,128.19 is: 651,191.76
Step by Step Solution
- Step 1: Write the proportion equation
1,332,687.92 : 1,999,030.26 = 434,128.19 : x - Step 2: Convert to fraction form
1,332,687.92/1,999,030.26 = 434,128.19/x - Step 3: Cross multiply
1,332,687.92x = 1,999,030.26 × 434,128.19 - Step 4: Simplify right side
1,332,687.92x = 867,835,388,529.03 - Step 5: Solve for x
x = 867,835,388,529.03/1,332,687.92 - Step 6: Final answer
x = 651,191.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.