Home / 675,739.76-1,013,841.48-255,135.92

Finding the Fourth Proportional to 675,739.76, 1,013,841.48 and 255,135.92

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Solution

The fourth proportional to 675,739.76, 1,013,841.48 and 255,135.92 is: 382,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,739.76 : 1,013,841.48 = 255,135.92 : x
  2. Step 2: Convert to fraction form
    675,739.76/1,013,841.48 = 255,135.92/x
  3. Step 3: Cross multiply
    675,739.76x = 1,013,841.48 × 255,135.92
  4. Step 4: Simplify right side
    675,739.76x = 258,667,378,733.96
  5. Step 5: Solve for x
    x = 258,667,378,733.96/675,739.76
  6. Step 6: Final answer
    x = 382,791.41

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1.5x scale

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.