Finding the Fourth Proportional to 1,184,407.11, 1,634,477.08 and 640,543.47
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Solution
The fourth proportional to 1,184,407.11, 1,634,477.08 and 640,543.47 is: 883,947.43
Step by Step Solution
- Step 1: Write the proportion equation
1,184,407.11 : 1,634,477.08 = 640,543.47 : x - Step 2: Convert to fraction form
1,184,407.11/1,634,477.08 = 640,543.47/x - Step 3: Cross multiply
1,184,407.11x = 1,634,477.08 × 640,543.47 - Step 4: Simplify right side
1,184,407.11x = 1,046,953,620,458.67 - Step 5: Solve for x
x = 1,046,953,620,458.67/1,184,407.11 - Step 6: Final answer
x = 883,947.43
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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.