Finding the Fourth Proportional to 1,285,057.62, 1,773,390.06 and 712,107.36
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Solution
The fourth proportional to 1,285,057.62, 1,773,390.06 and 712,107.36 is: 982,714.00
Step by Step Solution
- Step 1: Write the proportion equation
1,285,057.62 : 1,773,390.06 = 712,107.36 : x - Step 2: Convert to fraction form
1,285,057.62/1,773,390.06 = 712,107.36/x - Step 3: Cross multiply
1,285,057.62x = 1,773,390.06 × 712,107.36 - Step 4: Simplify right side
1,285,057.62x = 1,262,844,113,876.84 - Step 5: Solve for x
x = 1,262,844,113,876.84/1,285,057.62 - Step 6: Final answer
x = 982,714.00
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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.