Home / 413,257.76-619,731.12-325,544.48

Finding the Fourth Proportional to 413,257.76, 619,731.12 and 325,544.48

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Solution

The fourth proportional to 413,257.76, 619,731.12 and 325,544.48 is: 488,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,257.76 : 619,731.12 = 325,544.48 : x
  2. Step 2: Convert to fraction form
    413,257.76/619,731.12 = 325,544.48/x
  3. Step 3: Cross multiply
    413,257.76x = 619,731.12 × 325,544.48
  4. Step 4: Simplify right side
    413,257.76x = 201,750,045,200.22
  5. Step 5: Solve for x
    x = 201,750,045,200.22/413,257.76
  6. Step 6: Final answer
    x = 488,194.21

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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.