Finding the Fourth Proportional to 1,173,678.21, 1,619,586.66 and 714,741.93
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Solution
The fourth proportional to 1,173,678.21, 1,619,586.66 and 714,741.93 is: 986,289.50
Step by Step Solution
- Step 1: Write the proportion equation
1,173,678.21 : 1,619,586.66 = 714,741.93 : x - Step 2: Convert to fraction form
1,173,678.21/1,619,586.66 = 714,741.93/x - Step 3: Cross multiply
1,173,678.21x = 1,619,586.66 × 714,741.93 - Step 4: Simplify right side
1,173,678.21x = 1,157,586,495,170.65 - Step 5: Solve for x
x = 1,157,586,495,170.65/1,173,678.21 - Step 6: Final answer
x = 986,289.50
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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.