Home / 2,511,793.40-3,767,690.10-828,678.20

Finding the Fourth Proportional to 2,511,793.40, 3,767,690.10 and 828,678.20

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Solution

The fourth proportional to 2,511,793.40, 3,767,690.10 and 828,678.20 is: 1,243,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511,793.40 : 3,767,690.10 = 828,678.20 : x
  2. Step 2: Convert to fraction form
    2,511,793.40/3,767,690.10 = 828,678.20/x
  3. Step 3: Cross multiply
    2,511,793.40x = 3,767,690.10 × 828,678.20
  4. Step 4: Simplify right side
    2,511,793.40x = 3,122,202,650,225.82
  5. Step 5: Solve for x
    x = 3,122,202,650,225.82/2,511,793.40
  6. Step 6: Final answer
    x = 1,243,017.30

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Double scale
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Similar ratio
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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.