Home / 443,927.32-612,587.82-274,164.28

Finding the Fourth Proportional to 443,927.32, 612,587.82 and 274,164.28

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Solution

The fourth proportional to 443,927.32, 612,587.82 and 274,164.28 is: 378,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,927.32 : 612,587.82 = 274,164.28 : x
  2. Step 2: Convert to fraction form
    443,927.32/612,587.82 = 274,164.28/x
  3. Step 3: Cross multiply
    443,927.32x = 612,587.82 × 274,164.28
  4. Step 4: Simplify right side
    443,927.32x = 167,949,698,607.07
  5. Step 5: Solve for x
    x = 167,949,698,607.07/443,927.32
  6. Step 6: Final answer
    x = 378,327.02

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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.