Home / 351,012.40-524,982.60-313,841.20

Finding the Fourth Proportional to 351,012.40, 524,982.60 and 313,841.20

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Solution

The fourth proportional to 351,012.40, 524,982.60 and 313,841.20 is: 469,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,012.40 : 524,982.60 = 313,841.20 : x
  2. Step 2: Convert to fraction form
    351,012.40/524,982.60 = 313,841.20/x
  3. Step 3: Cross multiply
    351,012.40x = 524,982.60 × 313,841.20
  4. Step 4: Simplify right side
    351,012.40x = 164,761,169,163.12
  5. Step 5: Solve for x
    x = 164,761,169,163.12/351,012.40
  6. Step 6: Final answer
    x = 469,388.46

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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.