Finding the Fourth Proportional to 1,881,928.40, 2,823,000.78 and 533,985.53
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Solution
The fourth proportional to 1,881,928.40, 2,823,000.78 and 533,985.53 is: 801,008.99
Step by Step Solution
- Step 1: Write the proportion equation
1,881,928.40 : 2,823,000.78 = 533,985.53 : x - Step 2: Convert to fraction form
1,881,928.40/2,823,000.78 = 533,985.53/x - Step 3: Cross multiply
1,881,928.40x = 2,823,000.78 × 533,985.53 - Step 4: Simplify right side
1,881,928.40x = 1,507,441,567,698.71 - Step 5: Solve for x
x = 1,507,441,567,698.71/1,881,928.40 - Step 6: Final answer
x = 801,008.99
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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.