Home / 451,395.20-677,265.60-444,310.40

Finding the Fourth Proportional to 451,395.20, 677,265.60 and 444,310.40

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Solution

The fourth proportional to 451,395.20, 677,265.60 and 444,310.40 is: 666,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,395.20 : 677,265.60 = 444,310.40 : x
  2. Step 2: Convert to fraction form
    451,395.20/677,265.60 = 444,310.40/x
  3. Step 3: Cross multiply
    451,395.20x = 677,265.60 × 444,310.40
  4. Step 4: Simplify right side
    451,395.20x = 300,916,149,642.24
  5. Step 5: Solve for x
    x = 300,916,149,642.24/451,395.20
  6. Step 6: Final answer
    x = 666,635.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.