Home / 2,059,997.40-3,090,287.70-639,905.40

Finding the Fourth Proportional to 2,059,997.40, 3,090,287.70 and 639,905.40

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Solution

The fourth proportional to 2,059,997.40, 3,090,287.70 and 639,905.40 is: 959,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,997.40 : 3,090,287.70 = 639,905.40 : x
  2. Step 2: Convert to fraction form
    2,059,997.40/3,090,287.70 = 639,905.40/x
  3. Step 3: Cross multiply
    2,059,997.40x = 3,090,287.70 × 639,905.40
  4. Step 4: Simplify right side
    2,059,997.40x = 1,977,491,786,783.58
  5. Step 5: Solve for x
    x = 1,977,491,786,783.58/2,059,997.40
  6. Step 6: Final answer
    x = 959,948.68

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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.