Finding the Fourth Proportional to 1,036,621.60, 1,430,654.00 and 577,778.06
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Solution
The fourth proportional to 1,036,621.60, 1,430,654.00 and 577,778.06 is: 797,398.49
Step by Step Solution
- Step 1: Write the proportion equation
1,036,621.60 : 1,430,654.00 = 577,778.06 : x - Step 2: Convert to fraction form
1,036,621.60/1,430,654.00 = 577,778.06/x - Step 3: Cross multiply
1,036,621.60x = 1,430,654.00 × 577,778.06 - Step 4: Simplify right side
1,036,621.60x = 826,600,493,338.99 - Step 5: Solve for x
x = 826,600,493,338.99/1,036,621.60 - Step 6: Final answer
x = 797,398.49
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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.