Home / 624,236.52-861,445.38-352,361.64

Finding the Fourth Proportional to 624,236.52, 861,445.38 and 352,361.64

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Solution

The fourth proportional to 624,236.52, 861,445.38 and 352,361.64 is: 486,258.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,236.52 : 861,445.38 = 352,361.64 : x
  2. Step 2: Convert to fraction form
    624,236.52/861,445.38 = 352,361.64/x
  3. Step 3: Cross multiply
    624,236.52x = 861,445.38 × 352,361.64
  4. Step 4: Simplify right side
    624,236.52x = 303,540,306,867.22
  5. Step 5: Solve for x
    x = 303,540,306,867.22/624,236.52
  6. Step 6: Final answer
    x = 486,258.49

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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.