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Finding the Fourth Proportional to 895,414.40, 1,343,121.60 and 797,436.80

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Solution

The fourth proportional to 895,414.40, 1,343,121.60 and 797,436.80 is: 1,196,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,414.40 : 1,343,121.60 = 797,436.80 : x
  2. Step 2: Convert to fraction form
    895,414.40/1,343,121.60 = 797,436.80/x
  3. Step 3: Cross multiply
    895,414.40x = 1,343,121.60 × 797,436.80
  4. Step 4: Simplify right side
    895,414.40x = 1,071,054,590,714.88
  5. Step 5: Solve for x
    x = 1,071,054,590,714.88/895,414.40
  6. Step 6: Final answer
    x = 1,196,155.20

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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.