Home / 463,733.29-640,005.06-259,839.28

Finding the Fourth Proportional to 463,733.29, 640,005.06 and 259,839.28

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Solution

The fourth proportional to 463,733.29, 640,005.06 and 259,839.28 is: 358,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,733.29 : 640,005.06 = 259,839.28 : x
  2. Step 2: Convert to fraction form
    463,733.29/640,005.06 = 259,839.28/x
  3. Step 3: Cross multiply
    463,733.29x = 640,005.06 × 259,839.28
  4. Step 4: Simplify right side
    463,733.29x = 166,298,453,986.76
  5. Step 5: Solve for x
    x = 166,298,453,986.76/463,733.29
  6. Step 6: Final answer
    x = 358,607.97

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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.