Home / 1,238,620.60-1,855,166.10-955,919.80

Finding the Fourth Proportional to 1,238,620.60, 1,855,166.10 and 955,919.80

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Solution

The fourth proportional to 1,238,620.60, 1,855,166.10 and 955,919.80 is: 1,431,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,620.60 : 1,855,166.10 = 955,919.80 : x
  2. Step 2: Convert to fraction form
    1,238,620.60/1,855,166.10 = 955,919.80/x
  3. Step 3: Cross multiply
    1,238,620.60x = 1,855,166.10 × 955,919.80
  4. Step 4: Simplify right side
    1,238,620.60x = 1,773,390,007,278.78
  5. Step 5: Solve for x
    x = 1,773,390,007,278.78/1,238,620.60
  6. Step 6: Final answer
    x = 1,431,745.93

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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.