Finding the Fourth Proportional to 1,509,864.49, 2,083,670.49 and 865,409.05
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Solution
The fourth proportional to 1,509,864.49, 2,083,670.49 and 865,409.05 is: 1,194,297.44
Step by Step Solution
- Step 1: Write the proportion equation
1,509,864.49 : 2,083,670.49 = 865,409.05 : x - Step 2: Convert to fraction form
1,509,864.49/2,083,670.49 = 865,409.05/x - Step 3: Cross multiply
1,509,864.49x = 2,083,670.49 × 865,409.05 - Step 4: Simplify right side
1,509,864.49x = 1,803,227,299,263.93 - Step 5: Solve for x
x = 1,803,227,299,263.93/1,509,864.49 - Step 6: Final answer
x = 1,194,297.44
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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.