Finding the Fourth Proportional to 1,637,111.74, 2,259,282.26 and 911,959.26
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Solution
The fourth proportional to 1,637,111.74, 2,259,282.26 and 911,959.26 is: 1,258,541.69
Step by Step Solution
- Step 1: Write the proportion equation
1,637,111.74 : 2,259,282.26 = 911,959.26 : x - Step 2: Convert to fraction form
1,637,111.74/2,259,282.26 = 911,959.26/x - Step 3: Cross multiply
1,637,111.74x = 2,259,282.26 × 911,959.26 - Step 4: Simplify right side
1,637,111.74x = 2,060,373,366,664.32 - Step 5: Solve for x
x = 2,060,373,366,664.32/1,637,111.74 - Step 6: Final answer
x = 1,258,541.69
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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.