Finding the Fourth Proportional to 917,930.68, 1,266,336.79 and 611,708.76
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Solution
The fourth proportional to 917,930.68, 1,266,336.79 and 611,708.76 is: 843,886.50
Step by Step Solution
- Step 1: Write the proportion equation
917,930.68 : 1,266,336.79 = 611,708.76 : x - Step 2: Convert to fraction form
917,930.68/1,266,336.79 = 611,708.76/x - Step 3: Cross multiply
917,930.68x = 1,266,336.79 × 611,708.76 - Step 4: Simplify right side
917,930.68x = 774,629,306,024.01 - Step 5: Solve for x
x = 774,629,306,024.01/917,930.68 - Step 6: Final answer
x = 843,886.50
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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.