Finding the Fourth Proportional to 1,157,617.58, 1,736,621.66 and 399,256.20
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Solution
The fourth proportional to 1,157,617.58, 1,736,621.66 and 399,256.20 is: 598,951.65
Step by Step Solution
- Step 1: Write the proportion equation
1,157,617.58 : 1,736,621.66 = 399,256.20 : x - Step 2: Convert to fraction form
1,157,617.58/1,736,621.66 = 399,256.20/x - Step 3: Cross multiply
1,157,617.58x = 1,736,621.66 × 399,256.20 - Step 4: Simplify right side
1,157,617.58x = 693,356,964,809.29 - Step 5: Solve for x
x = 693,356,964,809.29/1,157,617.58 - Step 6: Final answer
x = 598,951.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.