Home / 350,906.40-524,823.60-313,735.20

Finding the Fourth Proportional to 350,906.40, 524,823.60 and 313,735.20

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Solution

The fourth proportional to 350,906.40, 524,823.60 and 313,735.20 is: 469,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,906.40 : 524,823.60 = 313,735.20 : x
  2. Step 2: Convert to fraction form
    350,906.40/524,823.60 = 313,735.20/x
  3. Step 3: Cross multiply
    350,906.40x = 524,823.60 × 313,735.20
  4. Step 4: Simplify right side
    350,906.40x = 164,655,637,110.72
  5. Step 5: Solve for x
    x = 164,655,637,110.72/350,906.40
  6. Step 6: Final answer
    x = 469,229.51

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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.