Finding the Fourth Proportional to 1,184,643.41, 1,634,808.06 and 640,778.94
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Solution
The fourth proportional to 1,184,643.41, 1,634,808.06 and 640,778.94 is: 884,275.02
Step by Step Solution
- Step 1: Write the proportion equation
1,184,643.41 : 1,634,808.06 = 640,778.94 : x - Step 2: Convert to fraction form
1,184,643.41/1,634,808.06 = 640,778.94/x - Step 3: Cross multiply
1,184,643.41x = 1,634,808.06 × 640,778.94 - Step 4: Simplify right side
1,184,643.41x = 1,047,550,575,790.26 - Step 5: Solve for x
x = 1,047,550,575,790.26/1,184,643.41 - Step 6: Final answer
x = 884,275.02
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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.