Finding the Fourth Proportional to 1,529,705.60, 2,110,997.94 and 841,447.99
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Solution
The fourth proportional to 1,529,705.60, 2,110,997.94 and 841,447.99 is: 1,161,200.54
Step by Step Solution
- Step 1: Write the proportion equation
1,529,705.60 : 2,110,997.94 = 841,447.99 : x - Step 2: Convert to fraction form
1,529,705.60/2,110,997.94 = 841,447.99/x - Step 3: Cross multiply
1,529,705.60x = 2,110,997.94 × 841,447.99 - Step 4: Simplify right side
1,529,705.60x = 1,776,294,972,990.46 - Step 5: Solve for x
x = 1,776,294,972,990.46/1,529,705.60 - Step 6: Final answer
x = 1,161,200.54
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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.