Finding the Fourth Proportional to 1,036,661.60, 1,430,709.20 and 577,818.07
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Solution
The fourth proportional to 1,036,661.60, 1,430,709.20 and 577,818.07 is: 797,453.70
Step by Step Solution
- Step 1: Write the proportion equation
1,036,661.60 : 1,430,709.20 = 577,818.07 : x - Step 2: Convert to fraction form
1,036,661.60/1,430,709.20 = 577,818.07/x - Step 3: Cross multiply
1,036,661.60x = 1,430,709.20 × 577,818.07 - Step 4: Simplify right side
1,036,661.60x = 826,689,628,675.24 - Step 5: Solve for x
x = 826,689,628,675.24/1,036,661.60 - Step 6: Final answer
x = 797,453.70
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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.