Finding the Fourth Proportional to 1,252,407.83, 1,728,326.16 and 679,448.00
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Solution
The fourth proportional to 1,252,407.83, 1,728,326.16 and 679,448.00 is: 937,640.06
Step by Step Solution
- Step 1: Write the proportion equation
1,252,407.83 : 1,728,326.16 = 679,448.00 : x - Step 2: Convert to fraction form
1,252,407.83/1,728,326.16 = 679,448.00/x - Step 3: Cross multiply
1,252,407.83x = 1,728,326.16 × 679,448.00 - Step 4: Simplify right side
1,252,407.83x = 1,174,307,753,683.26 - Step 5: Solve for x
x = 1,174,307,753,683.26/1,252,407.83 - Step 6: Final answer
x = 937,640.06
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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.