Finding the Fourth Proportional to 1,177,529.40, 1,624,898.07 and 668,231.64
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Solution
The fourth proportional to 1,177,529.40, 1,624,898.07 and 668,231.64 is: 922,107.17
Step by Step Solution
- Step 1: Write the proportion equation
1,177,529.40 : 1,624,898.07 = 668,231.64 : x - Step 2: Convert to fraction form
1,177,529.40/1,624,898.07 = 668,231.64/x - Step 3: Cross multiply
1,177,529.40x = 1,624,898.07 × 668,231.64 - Step 4: Simplify right side
1,177,529.40x = 1,085,808,302,148.93 - Step 5: Solve for x
x = 1,085,808,302,148.93/1,177,529.40 - Step 6: Final answer
x = 922,107.17
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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.