Finding the Fourth Proportional to 3,429,480.76, 4,732,248.42 and 1,880,334.76
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Solution
The fourth proportional to 3,429,480.76, 4,732,248.42 and 1,880,334.76 is: 2,594,623.45
Step by Step Solution
- Step 1: Write the proportion equation
3,429,480.76 : 4,732,248.42 = 1,880,334.76 : x - Step 2: Convert to fraction form
3,429,480.76/4,732,248.42 = 1,880,334.76/x - Step 3: Cross multiply
3,429,480.76x = 4,732,248.42 × 1,880,334.76 - Step 4: Simplify right side
3,429,480.76x = 8,898,211,197,081.08 - Step 5: Solve for x
x = 8,898,211,197,081.08/3,429,480.76 - Step 6: Final answer
x = 2,594,623.45
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Double scale
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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.