Home / 456,284.63-629,678.25-252,352.35

Finding the Fourth Proportional to 456,284.63, 629,678.25 and 252,352.35

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Solution

The fourth proportional to 456,284.63, 629,678.25 and 252,352.35 is: 348,249.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,284.63 : 629,678.25 = 252,352.35 : x
  2. Step 2: Convert to fraction form
    456,284.63/629,678.25 = 252,352.35/x
  3. Step 3: Cross multiply
    456,284.63x = 629,678.25 × 252,352.35
  4. Step 4: Simplify right side
    456,284.63x = 158,900,786,131.39
  5. Step 5: Solve for x
    x = 158,900,786,131.39/456,284.63
  6. Step 6: Final answer
    x = 348,249.27

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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.