Home / 628,680.13-943,043.10-223,902.11

Finding the Fourth Proportional to 628,680.13, 943,043.10 and 223,902.11

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Solution

The fourth proportional to 628,680.13, 943,043.10 and 223,902.11 is: 335,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,680.13 : 943,043.10 = 223,902.11 : x
  2. Step 2: Convert to fraction form
    628,680.13/943,043.10 = 223,902.11/x
  3. Step 3: Cross multiply
    628,680.13x = 943,043.10 × 223,902.11
  4. Step 4: Simplify right side
    628,680.13x = 211,149,335,195.73
  5. Step 5: Solve for x
    x = 211,149,335,195.73/628,680.13
  6. Step 6: Final answer
    x = 335,861.32

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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.