Home / 379,840.36-524,236.54-236,646.52

Finding the Fourth Proportional to 379,840.36, 524,236.54 and 236,646.52

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Solution

The fourth proportional to 379,840.36, 524,236.54 and 236,646.52 is: 326,607.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,840.36 : 524,236.54 = 236,646.52 : x
  2. Step 2: Convert to fraction form
    379,840.36/524,236.54 = 236,646.52/x
  3. Step 3: Cross multiply
    379,840.36x = 524,236.54 × 236,646.52
  4. Step 4: Simplify right side
    379,840.36x = 124,058,752,847.84
  5. Step 5: Solve for x
    x = 124,058,752,847.84/379,840.36
  6. Step 6: Final answer
    x = 326,607.61

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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.