Finding the Fourth Proportional to 1,113,178.68, 1,536,189.56 and 603,881.12
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Solution
The fourth proportional to 1,113,178.68, 1,536,189.56 and 603,881.12 is: 833,357.56
Step by Step Solution
- Step 1: Write the proportion equation
1,113,178.68 : 1,536,189.56 = 603,881.12 : x - Step 2: Convert to fraction form
1,113,178.68/1,536,189.56 = 603,881.12/x - Step 3: Cross multiply
1,113,178.68x = 1,536,189.56 × 603,881.12 - Step 4: Simplify right side
1,113,178.68x = 927,675,872,025.11 - Step 5: Solve for x
x = 927,675,872,025.11/1,113,178.68 - Step 6: Final answer
x = 833,357.56
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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.