Home / 456,243.40-629,619.99-252,308.05

Finding the Fourth Proportional to 456,243.40, 629,619.99 and 252,308.05

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Solution

The fourth proportional to 456,243.40, 629,619.99 and 252,308.05 is: 348,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,243.40 : 629,619.99 = 252,308.05 : x
  2. Step 2: Convert to fraction form
    456,243.40/629,619.99 = 252,308.05/x
  3. Step 3: Cross multiply
    456,243.40x = 629,619.99 × 252,308.05
  4. Step 4: Simplify right side
    456,243.40x = 158,858,189,397.71
  5. Step 5: Solve for x
    x = 158,858,189,397.71/456,243.40
  6. Step 6: Final answer
    x = 348,187.37

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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.