Finding the Fourth Proportional to 1,184,309.61, 1,634,347.97 and 640,445.37
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Solution
The fourth proportional to 1,184,309.61, 1,634,347.97 and 640,445.37 is: 883,814.99
Step by Step Solution
- Step 1: Write the proportion equation
1,184,309.61 : 1,634,347.97 = 640,445.37 : x - Step 2: Convert to fraction form
1,184,309.61/1,634,347.97 = 640,445.37/x - Step 3: Cross multiply
1,184,309.61x = 1,634,347.97 × 640,445.37 - Step 4: Simplify right side
1,184,309.61x = 1,046,710,587,153.17 - Step 5: Solve for x
x = 1,046,710,587,153.17/1,184,309.61 - Step 6: Final answer
x = 883,814.99
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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.