Finding the Fourth Proportional to 1,186,265.76, 1,637,163.84 and 677,044.32
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Solution
The fourth proportional to 1,186,265.76, 1,637,163.84 and 677,044.32 is: 934,387.99
Step by Step Solution
- Step 1: Write the proportion equation
1,186,265.76 : 1,637,163.84 = 677,044.32 : x - Step 2: Convert to fraction form
1,186,265.76/1,637,163.84 = 677,044.32/x - Step 3: Cross multiply
1,186,265.76x = 1,637,163.84 × 677,044.32 - Step 4: Simplify right side
1,186,265.76x = 1,108,432,478,781.39 - Step 5: Solve for x
x = 1,108,432,478,781.39/1,186,265.76 - Step 6: Final answer
x = 934,387.99
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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.