Home / 697,078.20-1,044,234.90-415,759.80

Finding the Fourth Proportional to 697,078.20, 1,044,234.90 and 415,759.80

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Solution

The fourth proportional to 697,078.20, 1,044,234.90 and 415,759.80 is: 622,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,078.20 : 1,044,234.90 = 415,759.80 : x
  2. Step 2: Convert to fraction form
    697,078.20/1,044,234.90 = 415,759.80/x
  3. Step 3: Cross multiply
    697,078.20x = 1,044,234.90 × 415,759.80
  4. Step 4: Simplify right side
    697,078.20x = 434,150,893,177.02
  5. Step 5: Solve for x
    x = 434,150,893,177.02/697,078.20
  6. Step 6: Final answer
    x = 622,815.19

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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.