Finding the Fourth Proportional to 1,711,785.09, 2,362,334.67 and 947,838.63
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Solution
The fourth proportional to 1,711,785.09, 2,362,334.67 and 947,838.63 is: 1,308,056.76
Step by Step Solution
- Step 1: Write the proportion equation
1,711,785.09 : 2,362,334.67 = 947,838.63 : x - Step 2: Convert to fraction form
1,711,785.09/2,362,334.67 = 947,838.63/x - Step 3: Cross multiply
1,711,785.09x = 2,362,334.67 × 947,838.63 - Step 4: Simplify right side
1,711,785.09x = 2,239,112,057,214.30 - Step 5: Solve for x
x = 2,239,112,057,214.30/1,711,785.09 - Step 6: Final answer
x = 1,308,056.76
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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.