Finding the Fourth Proportional to 1,259,176.49, 1,737,612.86 and 686,204.36
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Solution
The fourth proportional to 1,259,176.49, 1,737,612.86 and 686,204.36 is: 946,934.39
Step by Step Solution
- Step 1: Write the proportion equation
1,259,176.49 : 1,737,612.86 = 686,204.36 : x - Step 2: Convert to fraction form
1,259,176.49/1,737,612.86 = 686,204.36/x - Step 3: Cross multiply
1,259,176.49x = 1,737,612.86 × 686,204.36 - Step 4: Simplify right side
1,259,176.49x = 1,192,357,518,780.93 - Step 5: Solve for x
x = 1,192,357,518,780.93/1,259,176.49 - Step 6: Final answer
x = 946,934.39
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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.