Finding the Fourth Proportional to 1,587,956.10, 2,191,347.86 and 862,809.00
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Solution
The fourth proportional to 1,587,956.10, 2,191,347.86 and 862,809.00 is: 1,190,659.28
Step by Step Solution
- Step 1: Write the proportion equation
1,587,956.10 : 2,191,347.86 = 862,809.00 : x - Step 2: Convert to fraction form
1,587,956.10/2,191,347.86 = 862,809.00/x - Step 3: Cross multiply
1,587,956.10x = 2,191,347.86 × 862,809.00 - Step 4: Simplify right side
1,587,956.10x = 1,890,714,662,418.76 - Step 5: Solve for x
x = 1,890,714,662,418.76/1,587,956.10 - Step 6: Final answer
x = 1,190,659.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.