Home / 845,086.21-1,166,217.06-457,912.20

Finding the Fourth Proportional to 845,086.21, 1,166,217.06 and 457,912.20

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Solution

The fourth proportional to 845,086.21, 1,166,217.06 and 457,912.20 is: 631,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,086.21 : 1,166,217.06 = 457,912.20 : x
  2. Step 2: Convert to fraction form
    845,086.21/1,166,217.06 = 457,912.20/x
  3. Step 3: Cross multiply
    845,086.21x = 1,166,217.06 × 457,912.20
  4. Step 4: Simplify right side
    845,086.21x = 534,025,019,622.13
  5. Step 5: Solve for x
    x = 534,025,019,622.13/845,086.21
  6. Step 6: Final answer
    x = 631,917.80

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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.