Finding the Fourth Proportional to 1,103,938.35, 1,523,478.14 and 620,502
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Solution
The fourth proportional to 1,103,938.35, 1,523,478.14 and 620,502 is: 856,317.05
Step by Step Solution
- Step 1: Write the proportion equation
1,103,938.35 : 1,523,478.14 = 620,502 : x - Step 2: Convert to fraction form
1,103,938.35/1,523,478.14 = 620,502/x - Step 3: Cross multiply
1,103,938.35x = 1,523,478.14 × 620,502 - Step 4: Simplify right side
1,103,938.35x = 945,321,232,826.28 - Step 5: Solve for x
x = 945,321,232,826.28/1,103,938.35 - Step 6: Final answer
x = 856,317.05
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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.