Finding the Fourth Proportional to 1,036,305.08, 1,430,079.46 and 577,417.80
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Solution
The fourth proportional to 1,036,305.08, 1,430,079.46 and 577,417.80 is: 796,824.56
Step by Step Solution
- Step 1: Write the proportion equation
1,036,305.08 : 1,430,079.46 = 577,417.80 : x - Step 2: Convert to fraction form
1,036,305.08/1,430,079.46 = 577,417.80/x - Step 3: Cross multiply
1,036,305.08x = 1,430,079.46 × 577,417.80 - Step 4: Simplify right side
1,036,305.08x = 825,753,335,618.39 - Step 5: Solve for x
x = 825,753,335,618.39/1,036,305.08 - Step 6: Final answer
x = 796,824.56
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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.