Finding the Fourth Proportional to 1,259,804.70, 1,738,455.57 and 715,865.00
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Solution
The fourth proportional to 1,259,804.70, 1,738,455.57 and 715,865.00 is: 987,851.12
Step by Step Solution
- Step 1: Write the proportion equation
1,259,804.70 : 1,738,455.57 = 715,865.00 : x - Step 2: Convert to fraction form
1,259,804.70/1,738,455.57 = 715,865.00/x - Step 3: Cross multiply
1,259,804.70x = 1,738,455.57 × 715,865.00 - Step 4: Simplify right side
1,259,804.70x = 1,244,499,487,925.77 - Step 5: Solve for x
x = 1,244,499,487,925.77/1,259,804.70 - Step 6: Final answer
x = 987,851.12
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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.