Home / 891,416.64-1,230,147.74-483,517.46

Finding the Fourth Proportional to 891,416.64, 1,230,147.74 and 483,517.46

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Solution

The fourth proportional to 891,416.64, 1,230,147.74 and 483,517.46 is: 667,250.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,416.64 : 1,230,147.74 = 483,517.46 : x
  2. Step 2: Convert to fraction form
    891,416.64/1,230,147.74 = 483,517.46/x
  3. Step 3: Cross multiply
    891,416.64x = 1,230,147.74 × 483,517.46
  4. Step 4: Simplify right side
    891,416.64x = 594,797,910,669.54
  5. Step 5: Solve for x
    x = 594,797,910,669.54/891,416.64
  6. Step 6: Final answer
    x = 667,250.18

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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.