Home / 1,238,247.76-1,857,556.17-439,462.41

Finding the Fourth Proportional to 1,238,247.76, 1,857,556.17 and 439,462.41

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Solution

The fourth proportional to 1,238,247.76, 1,857,556.17 and 439,462.41 is: 659,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,247.76 : 1,857,556.17 = 439,462.41 : x
  2. Step 2: Convert to fraction form
    1,238,247.76/1,857,556.17 = 439,462.41/x
  3. Step 3: Cross multiply
    1,238,247.76x = 1,857,556.17 × 439,462.41
  4. Step 4: Simplify right side
    1,238,247.76x = 816,326,113,425.54
  5. Step 5: Solve for x
    x = 816,326,113,425.54/1,238,247.76
  6. Step 6: Final answer
    x = 659,259.11

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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.