Home / 379,036.58-568,522.04-154,420.74

Finding the Fourth Proportional to 379,036.58, 568,522.04 and 154,420.74

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Solution

The fourth proportional to 379,036.58, 568,522.04 and 154,420.74 is: 231,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,036.58 : 568,522.04 = 154,420.74 : x
  2. Step 2: Convert to fraction form
    379,036.58/568,522.04 = 154,420.74/x
  3. Step 3: Cross multiply
    379,036.58x = 568,522.04 × 154,420.74
  4. Step 4: Simplify right side
    379,036.58x = 87,791,593,351.01
  5. Step 5: Solve for x
    x = 87,791,593,351.01/379,036.58
  6. Step 6: Final answer
    x = 231,617.74

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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.