Home / 401,297.10-553,431.30-265,469.82

Finding the Fourth Proportional to 401,297.10, 553,431.30 and 265,469.82

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Solution

The fourth proportional to 401,297.10, 553,431.30 and 265,469.82 is: 366,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,297.10 : 553,431.30 = 265,469.82 : x
  2. Step 2: Convert to fraction form
    401,297.10/553,431.30 = 265,469.82/x
  3. Step 3: Cross multiply
    401,297.10x = 553,431.30 × 265,469.82
  4. Step 4: Simplify right side
    401,297.10x = 146,919,307,593.37
  5. Step 5: Solve for x
    x = 146,919,307,593.37/401,297.10
  6. Step 6: Final answer
    x = 366,111.06

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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.