Finding the Fourth Proportional to 1,778,856.19, 2,668,783.14 and 714,645.59
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Solution
The fourth proportional to 1,778,856.19, 2,668,783.14 and 714,645.59 is: 1,072,168.79
Step by Step Solution
- Step 1: Write the proportion equation
1,778,856.19 : 2,668,783.14 = 714,645.59 : x - Step 2: Convert to fraction form
1,778,856.19/2,668,783.14 = 714,645.59/x - Step 3: Cross multiply
1,778,856.19x = 2,668,783.14 × 714,645.59 - Step 4: Simplify right side
1,778,856.19x = 1,907,234,088,323.44 - Step 5: Solve for x
x = 1,907,234,088,323.44/1,778,856.19 - Step 6: Final answer
x = 1,072,168.79
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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.