Home / 715,998.40-1,074,023.52-242,729.44

Finding the Fourth Proportional to 715,998.40, 1,074,023.52 and 242,729.44

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Solution

The fourth proportional to 715,998.40, 1,074,023.52 and 242,729.44 is: 364,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,998.40 : 1,074,023.52 = 242,729.44 : x
  2. Step 2: Convert to fraction form
    715,998.40/1,074,023.52 = 242,729.44/x
  3. Step 3: Cross multiply
    715,998.40x = 1,074,023.52 × 242,729.44
  4. Step 4: Simplify right side
    715,998.40x = 260,697,127,556.43
  5. Step 5: Solve for x
    x = 260,697,127,556.43/715,998.40
  6. Step 6: Final answer
    x = 364,102.95

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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.