Home / 401,790.24-554,465.82-232,020.72

Finding the Fourth Proportional to 401,790.24, 554,465.82 and 232,020.72

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Solution

The fourth proportional to 401,790.24, 554,465.82 and 232,020.72 is: 320,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,790.24 : 554,465.82 = 232,020.72 : x
  2. Step 2: Convert to fraction form
    401,790.24/554,465.82 = 232,020.72/x
  3. Step 3: Cross multiply
    401,790.24x = 554,465.82 × 232,020.72
  4. Step 4: Simplify right side
    401,790.24x = 128,647,558,771.79
  5. Step 5: Solve for x
    x = 128,647,558,771.79/401,790.24
  6. Step 6: Final answer
    x = 320,185.87

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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.