Finding the Fourth Proportional to 1,132,816.24, 1,698,977.85 and 374,478.55
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Solution
The fourth proportional to 1,132,816.24, 1,698,977.85 and 374,478.55 is: 561,636.34
Step by Step Solution
- Step 1: Write the proportion equation
1,132,816.24 : 1,698,977.85 = 374,478.55 : x - Step 2: Convert to fraction form
1,132,816.24/1,698,977.85 = 374,478.55/x - Step 3: Cross multiply
1,132,816.24x = 1,698,977.85 × 374,478.55 - Step 4: Simplify right side
1,132,816.24x = 636,230,761,750.12 - Step 5: Solve for x
x = 636,230,761,750.12/1,132,816.24 - Step 6: Final answer
x = 561,636.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.