Finding the Fourth Proportional to 921,336.84, 1,271,010.24 and 539,127
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Solution
The fourth proportional to 921,336.84, 1,271,010.24 and 539,127 is: 743,740.95
Step by Step Solution
- Step 1: Write the proportion equation
921,336.84 : 1,271,010.24 = 539,127 : x - Step 2: Convert to fraction form
921,336.84/1,271,010.24 = 539,127/x - Step 3: Cross multiply
921,336.84x = 1,271,010.24 × 539,127 - Step 4: Simplify right side
921,336.84x = 685,235,937,660.48 - Step 5: Solve for x
x = 685,235,937,660.48/921,336.84 - Step 6: Final answer
x = 743,740.95
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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.