Home / 1,775,520.40-2,663,675.17-828,374.44

Finding the Fourth Proportional to 1,775,520.40, 2,663,675.17 and 828,374.44

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Solution

The fourth proportional to 1,775,520.40, 2,663,675.17 and 828,374.44 is: 1,242,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,520.40 : 2,663,675.17 = 828,374.44 : x
  2. Step 2: Convert to fraction form
    1,775,520.40/2,663,675.17 = 828,374.44/x
  3. Step 3: Cross multiply
    1,775,520.40x = 2,663,675.17 × 828,374.44
  4. Step 4: Simplify right side
    1,775,520.40x = 2,206,520,427,290.65
  5. Step 5: Solve for x
    x = 2,206,520,427,290.65/1,775,520.40
  6. Step 6: Final answer
    x = 1,242,745.75

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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.