Finding the Fourth Proportional to 1,270,115.17, 1,752,764.57 and 697,160.05
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Solution
The fourth proportional to 1,270,115.17, 1,752,764.57 and 697,160.05 is: 962,083.96
Step by Step Solution
- Step 1: Write the proportion equation
1,270,115.17 : 1,752,764.57 = 697,160.05 : x - Step 2: Convert to fraction form
1,270,115.17/1,752,764.57 = 697,160.05/x - Step 3: Cross multiply
1,270,115.17x = 1,752,764.57 × 697,160.05 - Step 4: Simplify right side
1,270,115.17x = 1,221,957,430,006.07 - Step 5: Solve for x
x = 1,221,957,430,006.07/1,270,115.17 - Step 6: Final answer
x = 962,083.96
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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.