Finding the Fourth Proportional to 1,539,577.58, 2,124,531.36 and 851,209.64
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Solution
The fourth proportional to 1,539,577.58, 2,124,531.36 and 851,209.64 is: 1,174,621.92
Step by Step Solution
- Step 1: Write the proportion equation
1,539,577.58 : 2,124,531.36 = 851,209.64 : x - Step 2: Convert to fraction form
1,539,577.58/2,124,531.36 = 851,209.64/x - Step 3: Cross multiply
1,539,577.58x = 2,124,531.36 × 851,209.64 - Step 4: Simplify right side
1,539,577.58x = 1,808,421,574,114.31 - Step 5: Solve for x
x = 1,808,421,574,114.31/1,539,577.58 - Step 6: Final answer
x = 1,174,621.92
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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.