Finding the Fourth Proportional to 6,289,813.70, 9,434,720.55 and 6,184,837.70
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Solution
The fourth proportional to 6,289,813.70, 9,434,720.55 and 6,184,837.70 is: 9,277,256.55
Step by Step Solution
- Step 1: Write the proportion equation
6,289,813.70 : 9,434,720.55 = 6,184,837.70 : x - Step 2: Convert to fraction form
6,289,813.70/9,434,720.55 = 6,184,837.70/x - Step 3: Cross multiply
6,289,813.70x = 9,434,720.55 × 6,184,837.70 - Step 4: Simplify right side
6,289,813.70x = 58,352,215,346,604.74 - Step 5: Solve for x
x = 58,352,215,346,604.74/6,289,813.70 - Step 6: Final answer
x = 9,277,256.55
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.