Home / 646,576.20-970,015.13-197,296.25

Finding the Fourth Proportional to 646,576.20, 970,015.13 and 197,296.25

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Solution

The fourth proportional to 646,576.20, 970,015.13 and 197,296.25 is: 295,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,576.20 : 970,015.13 = 197,296.25 : x
  2. Step 2: Convert to fraction form
    646,576.20/970,015.13 = 197,296.25/x
  3. Step 3: Cross multiply
    646,576.20x = 970,015.13 × 197,296.25
  4. Step 4: Simplify right side
    646,576.20x = 191,380,341,755.71
  5. Step 5: Solve for x
    x = 191,380,341,755.71/646,576.20
  6. Step 6: Final answer
    x = 295,990.39

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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.