Home / 1,361,331.10-2,041,996.65-1,296,012.70

Finding the Fourth Proportional to 1,361,331.10, 2,041,996.65 and 1,296,012.70

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Solution

The fourth proportional to 1,361,331.10, 2,041,996.65 and 1,296,012.70 is: 1,944,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,331.10 : 2,041,996.65 = 1,296,012.70 : x
  2. Step 2: Convert to fraction form
    1,361,331.10/2,041,996.65 = 1,296,012.70/x
  3. Step 3: Cross multiply
    1,361,331.10x = 2,041,996.65 × 1,296,012.70
  4. Step 4: Simplify right side
    1,361,331.10x = 2,646,453,591,757.45
  5. Step 5: Solve for x
    x = 2,646,453,591,757.45/1,361,331.10
  6. Step 6: Final answer
    x = 1,944,019.05

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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.