Home / 451,229.21-676,388.34-282,867.80

Finding the Fourth Proportional to 451,229.21, 676,388.34 and 282,867.80

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Solution

The fourth proportional to 451,229.21, 676,388.34 and 282,867.80 is: 424,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,229.21 : 676,388.34 = 282,867.80 : x
  2. Step 2: Convert to fraction form
    451,229.21/676,388.34 = 282,867.80/x
  3. Step 3: Cross multiply
    451,229.21x = 676,388.34 × 282,867.80
  4. Step 4: Simplify right side
    451,229.21x = 191,328,478,299.51
  5. Step 5: Solve for x
    x = 191,328,478,299.51/451,229.21
  6. Step 6: Final answer
    x = 424,016.16

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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.