Finding the Fourth Proportional to 1,128,917.00, 1,557,906.27 and 612,670.75
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Solution
The fourth proportional to 1,128,917.00, 1,557,906.27 and 612,670.75 is: 845,486.08
Step by Step Solution
- Step 1: Write the proportion equation
1,128,917.00 : 1,557,906.27 = 612,670.75 : x - Step 2: Convert to fraction form
1,128,917.00/1,557,906.27 = 612,670.75/x - Step 3: Cross multiply
1,128,917.00x = 1,557,906.27 × 612,670.75 - Step 4: Simplify right side
1,128,917.00x = 954,483,602,520.47 - Step 5: Solve for x
x = 954,483,602,520.47/1,128,917.00 - Step 6: Final answer
x = 845,486.08
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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.