Finding the Fourth Proportional to 1,009,768.17, 1,393,479.99 and 557,059.17
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Solution
The fourth proportional to 1,009,768.17, 1,393,479.99 and 557,059.17 is: 768,741.61
Step by Step Solution
- Step 1: Write the proportion equation
1,009,768.17 : 1,393,479.99 = 557,059.17 : x - Step 2: Convert to fraction form
1,009,768.17/1,393,479.99 = 557,059.17/x - Step 3: Cross multiply
1,009,768.17x = 1,393,479.99 × 557,059.17 - Step 4: Simplify right side
1,009,768.17x = 776,250,806,641.01 - Step 5: Solve for x
x = 776,250,806,641.01/1,009,768.17 - Step 6: Final answer
x = 768,741.61
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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.