Finding the Fourth Proportional to 1,114,588.12, 1,538,117.76 and 605,294.08
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Solution
The fourth proportional to 1,114,588.12, 1,538,117.76 and 605,294.08 is: 835,298.31
Step by Step Solution
- Step 1: Write the proportion equation
1,114,588.12 : 1,538,117.76 = 605,294.08 : x - Step 2: Convert to fraction form
1,114,588.12/1,538,117.76 = 605,294.08/x - Step 3: Cross multiply
1,114,588.12x = 1,538,117.76 × 605,294.08 - Step 4: Simplify right side
1,114,588.12x = 931,013,574,470.86 - Step 5: Solve for x
x = 931,013,574,470.86/1,114,588.12 - Step 6: Final answer
x = 835,298.31
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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.