Finding the Fourth Proportional to 1,135,908.27, 1,567,557.88 and 619,673.19
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Solution
The fourth proportional to 1,135,908.27, 1,567,557.88 and 619,673.19 is: 855,151.44
Step by Step Solution
- Step 1: Write the proportion equation
1,135,908.27 : 1,567,557.88 = 619,673.19 : x - Step 2: Convert to fraction form
1,135,908.27/1,567,557.88 = 619,673.19/x - Step 3: Cross multiply
1,135,908.27x = 1,567,557.88 × 619,673.19 - Step 4: Simplify right side
1,135,908.27x = 971,373,592,009.24 - Step 5: Solve for x
x = 971,373,592,009.24/1,135,908.27 - Step 6: Final answer
x = 855,151.44
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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.