Home / 340,484.11-469,863.66-187,519.39

Finding the Fourth Proportional to 340,484.11, 469,863.66 and 187,519.39

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Solution

The fourth proportional to 340,484.11, 469,863.66 and 187,519.39 is: 258,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,484.11 : 469,863.66 = 187,519.39 : x
  2. Step 2: Convert to fraction form
    340,484.11/469,863.66 = 187,519.39/x
  3. Step 3: Cross multiply
    340,484.11x = 469,863.66 × 187,519.39
  4. Step 4: Simplify right side
    340,484.11x = 88,108,546,906.37
  5. Step 5: Solve for x
    x = 88,108,546,906.37/340,484.11
  6. Step 6: Final answer
    x = 258,774.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.