Home / 526,855.20-726,864.48-335,824.80

Finding the Fourth Proportional to 526,855.20, 726,864.48 and 335,824.80

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Solution

The fourth proportional to 526,855.20, 726,864.48 and 335,824.80 is: 463,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,855.20 : 726,864.48 = 335,824.80 : x
  2. Step 2: Convert to fraction form
    526,855.20/726,864.48 = 335,824.80/x
  3. Step 3: Cross multiply
    526,855.20x = 726,864.48 × 335,824.80
  4. Step 4: Simplify right side
    526,855.20x = 244,099,118,623.10
  5. Step 5: Solve for x
    x = 244,099,118,623.10/526,855.20
  6. Step 6: Final answer
    x = 463,313.48

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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.