Home / 697,086.20-1,045,629.30-223,819.40

Finding the Fourth Proportional to 697,086.20, 1,045,629.30 and 223,819.40

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Solution

The fourth proportional to 697,086.20, 1,045,629.30 and 223,819.40 is: 335,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,086.20 : 1,045,629.30 = 223,819.40 : x
  2. Step 2: Convert to fraction form
    697,086.20/1,045,629.30 = 223,819.40/x
  3. Step 3: Cross multiply
    697,086.20x = 1,045,629.30 × 223,819.40
  4. Step 4: Simplify right side
    697,086.20x = 234,032,122,548.42
  5. Step 5: Solve for x
    x = 234,032,122,548.42/697,086.20
  6. Step 6: Final answer
    x = 335,729.10

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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.