Home / 379,514.16-523,971.06-236,484.36

Finding the Fourth Proportional to 379,514.16, 523,971.06 and 236,484.36

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Solution

The fourth proportional to 379,514.16, 523,971.06 and 236,484.36 is: 326,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,514.16 : 523,971.06 = 236,484.36 : x
  2. Step 2: Convert to fraction form
    379,514.16/523,971.06 = 236,484.36/x
  3. Step 3: Cross multiply
    379,514.16x = 523,971.06 × 236,484.36
  4. Step 4: Simplify right side
    379,514.16x = 123,910,960,782.62
  5. Step 5: Solve for x
    x = 123,910,960,782.62/379,514.16
  6. Step 6: Final answer
    x = 326,498.91

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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.