Finding the Fourth Proportional to 1,386,737.55, 1,913,887.87 and 798,024.87
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Solution
The fourth proportional to 1,386,737.55, 1,913,887.87 and 798,024.87 is: 1,101,383.69
Step by Step Solution
- Step 1: Write the proportion equation
1,386,737.55 : 1,913,887.87 = 798,024.87 : x - Step 2: Convert to fraction form
1,386,737.55/1,913,887.87 = 798,024.87/x - Step 3: Cross multiply
1,386,737.55x = 1,913,887.87 × 798,024.87 - Step 4: Simplify right side
1,386,737.55x = 1,527,330,116,656.26 - Step 5: Solve for x
x = 1,527,330,116,656.26/1,386,737.55 - Step 6: Final answer
x = 1,101,383.69
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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.