Home / 653,236.53-979,473.38-253,410.09

Finding the Fourth Proportional to 653,236.53, 979,473.38 and 253,410.09

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Solution

The fourth proportional to 653,236.53, 979,473.38 and 253,410.09 is: 379,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,236.53 : 979,473.38 = 253,410.09 : x
  2. Step 2: Convert to fraction form
    653,236.53/979,473.38 = 253,410.09/x
  3. Step 3: Cross multiply
    653,236.53x = 979,473.38 × 253,410.09
  4. Step 4: Simplify right side
    653,236.53x = 248,208,436,111.35
  5. Step 5: Solve for x
    x = 248,208,436,111.35/653,236.53
  6. Step 6: Final answer
    x = 379,967.17

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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.