Home / 713,460.20-1,070,190.30-313,676.60

Finding the Fourth Proportional to 713,460.20, 1,070,190.30 and 313,676.60

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Solution

The fourth proportional to 713,460.20, 1,070,190.30 and 313,676.60 is: 470,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,460.20 : 1,070,190.30 = 313,676.60 : x
  2. Step 2: Convert to fraction form
    713,460.20/1,070,190.30 = 313,676.60/x
  3. Step 3: Cross multiply
    713,460.20x = 1,070,190.30 × 313,676.60
  4. Step 4: Simplify right side
    713,460.20x = 335,693,654,656.98
  5. Step 5: Solve for x
    x = 335,693,654,656.98/713,460.20
  6. Step 6: Final answer
    x = 470,514.90

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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.