Home / 622,031.41-857,204.80-451,996.21

Finding the Fourth Proportional to 622,031.41, 857,204.80 and 451,996.21

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Solution

The fourth proportional to 622,031.41, 857,204.80 and 451,996.21 is: 622,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,031.41 : 857,204.80 = 451,996.21 : x
  2. Step 2: Convert to fraction form
    622,031.41/857,204.80 = 451,996.21/x
  3. Step 3: Cross multiply
    622,031.41x = 857,204.80 × 451,996.21
  4. Step 4: Simplify right side
    622,031.41x = 387,453,320,793.81
  5. Step 5: Solve for x
    x = 387,453,320,793.81/622,031.41
  6. Step 6: Final answer
    x = 622,883.85

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Double scale
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Similar ratio
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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.