Home / 456,414.09-629,802.97-252,432.60

Finding the Fourth Proportional to 456,414.09, 629,802.97 and 252,432.60

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Solution

The fourth proportional to 456,414.09, 629,802.97 and 252,432.60 is: 348,330.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,414.09 : 629,802.97 = 252,432.60 : x
  2. Step 2: Convert to fraction form
    456,414.09/629,802.97 = 252,432.60/x
  3. Step 3: Cross multiply
    456,414.09x = 629,802.97 × 252,432.60
  4. Step 4: Simplify right side
    456,414.09x = 158,982,801,204.82
  5. Step 5: Solve for x
    x = 158,982,801,204.82/456,414.09
  6. Step 6: Final answer
    x = 348,330.18

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1.5x scale

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.