Finding the Fourth Proportional to 1,171,120.14, 1,616,060.93 and 647,808.63
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Solution
The fourth proportional to 1,171,120.14, 1,616,060.93 and 647,808.63 is: 893,928.97
Step by Step Solution
- Step 1: Write the proportion equation
1,171,120.14 : 1,616,060.93 = 647,808.63 : x - Step 2: Convert to fraction form
1,171,120.14/1,616,060.93 = 647,808.63/x - Step 3: Cross multiply
1,171,120.14x = 1,616,060.93 × 647,808.63 - Step 4: Simplify right side
1,171,120.14x = 1,046,898,217,059.83 - Step 5: Solve for x
x = 1,046,898,217,059.83/1,171,120.14 - Step 6: Final answer
x = 893,928.97
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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.