Home / 418,260.48-622,963.20-416,221.44

Finding the Fourth Proportional to 418,260.48, 622,963.20 and 416,221.44

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Solution

The fourth proportional to 418,260.48, 622,963.20 and 416,221.44 is: 619,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,260.48 : 622,963.20 = 416,221.44 : x
  2. Step 2: Convert to fraction form
    418,260.48/622,963.20 = 416,221.44/x
  3. Step 3: Cross multiply
    418,260.48x = 622,963.20 × 416,221.44
  4. Step 4: Simplify right side
    418,260.48x = 259,290,640,171.01
  5. Step 5: Solve for x
    x = 259,290,640,171.01/418,260.48
  6. Step 6: Final answer
    x = 619,926.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.