Finding the Fourth Proportional to 1,239,357.16, 1,709,348.70 and 896,479.30
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Solution
The fourth proportional to 1,239,357.16, 1,709,348.70 and 896,479.30 is: 1,236,444.00
Step by Step Solution
- Step 1: Write the proportion equation
1,239,357.16 : 1,709,348.70 = 896,479.30 : x - Step 2: Convert to fraction form
1,239,357.16/1,709,348.70 = 896,479.30/x - Step 3: Cross multiply
1,239,357.16x = 1,709,348.70 × 896,479.30 - Step 4: Simplify right side
1,239,357.16x = 1,532,395,726,031.91 - Step 5: Solve for x
x = 1,532,395,726,031.91/1,239,357.16 - Step 6: Final answer
x = 1,236,444.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.