Finding the Fourth Proportional to 1,919,204.64, 2,875,656.06 and 656,343.36
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Solution
The fourth proportional to 1,919,204.64, 2,875,656.06 and 656,343.36 is: 983,437.47
Step by Step Solution
- Step 1: Write the proportion equation
1,919,204.64 : 2,875,656.06 = 656,343.36 : x - Step 2: Convert to fraction form
1,919,204.64/2,875,656.06 = 656,343.36/x - Step 3: Cross multiply
1,919,204.64x = 2,875,656.06 × 656,343.36 - Step 4: Simplify right side
1,919,204.64x = 1,887,417,760,624.76 - Step 5: Solve for x
x = 1,887,417,760,624.76/1,919,204.64 - Step 6: Final answer
x = 983,437.47
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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.