Home / 1,331,171.10-1,995,395.85-656,214.30

Finding the Fourth Proportional to 1,331,171.10, 1,995,395.85 and 656,214.30

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Solution

The fourth proportional to 1,331,171.10, 1,995,395.85 and 656,214.30 is: 983,650.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,171.10 : 1,995,395.85 = 656,214.30 : x
  2. Step 2: Convert to fraction form
    1,331,171.10/1,995,395.85 = 656,214.30/x
  3. Step 3: Cross multiply
    1,331,171.10x = 1,995,395.85 × 656,214.30
  4. Step 4: Simplify right side
    1,331,171.10x = 1,309,407,290,930.66
  5. Step 5: Solve for x
    x = 1,309,407,290,930.66/1,331,171.10
  6. Step 6: Final answer
    x = 983,650.63

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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.