Finding the Fourth Proportional to 921,577, 1,271,841.54 and 519,169
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Solution
The fourth proportional to 921,577, 1,271,841.54 and 519,169 is: 716,490.00
Step by Step Solution
- Step 1: Write the proportion equation
921,577 : 1,271,841.54 = 519,169 : x - Step 2: Convert to fraction form
921,577/1,271,841.54 = 519,169/x - Step 3: Cross multiply
921,577x = 1,271,841.54 × 519,169 - Step 4: Simplify right side
921,577x = 660,300,700,480.26 - Step 5: Solve for x
x = 660,300,700,480.26/921,577 - Step 6: Final answer
x = 716,490.00
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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.