Finding the Fourth Proportional to 1,778,979.98, 2,454,989.12 and 963,183.55
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Solution
The fourth proportional to 1,778,979.98, 2,454,989.12 and 963,183.55 is: 1,329,191.54
Step by Step Solution
- Step 1: Write the proportion equation
1,778,979.98 : 2,454,989.12 = 963,183.55 : x - Step 2: Convert to fraction form
1,778,979.98/2,454,989.12 = 963,183.55/x - Step 3: Cross multiply
1,778,979.98x = 2,454,989.12 × 963,183.55 - Step 4: Simplify right side
1,778,979.98x = 2,364,605,135,812.98 - Step 5: Solve for x
x = 2,364,605,135,812.98/1,778,979.98 - Step 6: Final answer
x = 1,329,191.54
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1.5x scale
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.