Finding the Fourth Proportional to 886,381.12, 1,223,070.94 and 499,176.17
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Solution
The fourth proportional to 886,381.12, 1,223,070.94 and 499,176.17 is: 688,787.08
Step by Step Solution
- Step 1: Write the proportion equation
886,381.12 : 1,223,070.94 = 499,176.17 : x - Step 2: Convert to fraction form
886,381.12/1,223,070.94 = 499,176.17/x - Step 3: Cross multiply
886,381.12x = 1,223,070.94 × 499,176.17 - Step 4: Simplify right side
886,381.12x = 610,527,867,467.50 - Step 5: Solve for x
x = 610,527,867,467.50/886,381.12 - Step 6: Final answer
x = 688,787.08
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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.