Finding the Fourth Proportional to 1,527,403.04, 2,107,817.59 and 839,119.49
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Solution
The fourth proportional to 1,527,403.04, 2,107,817.59 and 839,119.49 is: 1,157,985.66
Step by Step Solution
- Step 1: Write the proportion equation
1,527,403.04 : 2,107,817.59 = 839,119.49 : x - Step 2: Convert to fraction form
1,527,403.04/2,107,817.59 = 839,119.49/x - Step 3: Cross multiply
1,527,403.04x = 2,107,817.59 × 839,119.49 - Step 4: Simplify right side
1,527,403.04x = 1,768,710,821,133.83 - Step 5: Solve for x
x = 1,768,710,821,133.83/1,527,403.04 - Step 6: Final answer
x = 1,157,985.66
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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.