Finding the Fourth Proportional to 1,199,793.36, 1,655,720.69 and 655,929.18
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Solution
The fourth proportional to 1,199,793.36, 1,655,720.69 and 655,929.18 is: 905,185.47
Step by Step Solution
- Step 1: Write the proportion equation
1,199,793.36 : 1,655,720.69 = 655,929.18 : x - Step 2: Convert to fraction form
1,199,793.36/1,655,720.69 = 655,929.18/x - Step 3: Cross multiply
1,199,793.36x = 1,655,720.69 × 655,929.18 - Step 4: Simplify right side
1,199,793.36x = 1,086,035,514,500.73 - Step 5: Solve for x
x = 1,086,035,514,500.73/1,199,793.36 - Step 6: Final answer
x = 905,185.47
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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.