Finding the Fourth Proportional to 1,186,017.26, 1,778,180.24 and 554,586.62
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Solution
The fourth proportional to 1,186,017.26, 1,778,180.24 and 554,586.62 is: 831,484.50
Step by Step Solution
- Step 1: Write the proportion equation
1,186,017.26 : 1,778,180.24 = 554,586.62 : x - Step 2: Convert to fraction form
1,186,017.26/1,778,180.24 = 554,586.62/x - Step 3: Cross multiply
1,186,017.26x = 1,778,180.24 × 554,586.62 - Step 4: Simplify right side
1,186,017.26x = 986,154,961,547.95 - Step 5: Solve for x
x = 986,154,961,547.95/1,186,017.26 - Step 6: Final answer
x = 831,484.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.