Finding the Fourth Proportional to 1,186,274.16, 1,637,050.08 and 642,397.44
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Solution
The fourth proportional to 1,186,274.16, 1,637,050.08 and 642,397.44 is: 886,503.99
Step by Step Solution
- Step 1: Write the proportion equation
1,186,274.16 : 1,637,050.08 = 642,397.44 : x - Step 2: Convert to fraction form
1,186,274.16/1,637,050.08 = 642,397.44/x - Step 3: Cross multiply
1,186,274.16x = 1,637,050.08 × 642,397.44 - Step 4: Simplify right side
1,186,274.16x = 1,051,636,780,543.80 - Step 5: Solve for x
x = 1,051,636,780,543.80/1,186,274.16 - Step 6: Final answer
x = 886,503.99
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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.