Finding the Fourth Proportional to 1,138,134.06, 1,570,656.69 and 628,869.24
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Solution
The fourth proportional to 1,138,134.06, 1,570,656.69 and 628,869.24 is: 867,857.06
Step by Step Solution
- Step 1: Write the proportion equation
1,138,134.06 : 1,570,656.69 = 628,869.24 : x - Step 2: Convert to fraction form
1,138,134.06/1,570,656.69 = 628,869.24/x - Step 3: Cross multiply
1,138,134.06x = 1,570,656.69 × 628,869.24 - Step 4: Simplify right side
1,138,134.06x = 987,737,678,941.22 - Step 5: Solve for x
x = 987,737,678,941.22/1,138,134.06 - Step 6: Final answer
x = 867,857.06
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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.