Finding the Fourth Proportional to 1,134,513.19, 1,565,628.47 and 618,267.23
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Solution
The fourth proportional to 1,134,513.19, 1,565,628.47 and 618,267.23 is: 853,208.93
Step by Step Solution
- Step 1: Write the proportion equation
1,134,513.19 : 1,565,628.47 = 618,267.23 : x - Step 2: Convert to fraction form
1,134,513.19/1,565,628.47 = 618,267.23/x - Step 3: Cross multiply
1,134,513.19x = 1,565,628.47 × 618,267.23 - Step 4: Simplify right side
1,134,513.19x = 967,976,776,365.05 - Step 5: Solve for x
x = 967,976,776,365.05/1,134,513.19 - Step 6: Final answer
x = 853,208.93
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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.