Home / 1,519,572.70-2,279,359.05-1,372,606.30

Finding the Fourth Proportional to 1,519,572.70, 2,279,359.05 and 1,372,606.30

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Solution

The fourth proportional to 1,519,572.70, 2,279,359.05 and 1,372,606.30 is: 2,058,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,572.70 : 2,279,359.05 = 1,372,606.30 : x
  2. Step 2: Convert to fraction form
    1,519,572.70/2,279,359.05 = 1,372,606.30/x
  3. Step 3: Cross multiply
    1,519,572.70x = 2,279,359.05 × 1,372,606.30
  4. Step 4: Simplify right side
    1,519,572.70x = 3,128,662,591,992.01
  5. Step 5: Solve for x
    x = 3,128,662,591,992.01/1,519,572.70
  6. Step 6: Final answer
    x = 2,058,909.45

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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.