Home / 463,501.54-639,667.08-259,541.92

Finding the Fourth Proportional to 463,501.54, 639,667.08 and 259,541.92

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Solution

The fourth proportional to 463,501.54, 639,667.08 and 259,541.92 is: 358,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,501.54 : 639,667.08 = 259,541.92 : x
  2. Step 2: Convert to fraction form
    463,501.54/639,667.08 = 259,541.92/x
  3. Step 3: Cross multiply
    463,501.54x = 639,667.08 × 259,541.92
  4. Step 4: Simplify right side
    463,501.54x = 166,020,422,103.99
  5. Step 5: Solve for x
    x = 166,020,422,103.99/463,501.54
  6. Step 6: Final answer
    x = 358,187.42

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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.