Finding the Fourth Proportional to 1,036,688.05, 1,430,745.42 and 577,844.52
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Solution
The fourth proportional to 1,036,688.05, 1,430,745.42 and 577,844.52 is: 797,490.05
Step by Step Solution
- Step 1: Write the proportion equation
1,036,688.05 : 1,430,745.42 = 577,844.52 : x - Step 2: Convert to fraction form
1,036,688.05/1,430,745.42 = 577,844.52/x - Step 3: Cross multiply
1,036,688.05x = 1,430,745.42 × 577,844.52 - Step 4: Simplify right side
1,036,688.05x = 826,748,400,462.10 - Step 5: Solve for x
x = 826,748,400,462.10/1,036,688.05 - Step 6: Final answer
x = 797,490.05
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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.