Home / 1,672,313.89-2,305,597.14-1,206,777.07

Finding the Fourth Proportional to 1,672,313.89, 2,305,597.14 and 1,206,777.07

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Solution

The fourth proportional to 1,672,313.89, 2,305,597.14 and 1,206,777.07 is: 1,663,767.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,313.89 : 2,305,597.14 = 1,206,777.07 : x
  2. Step 2: Convert to fraction form
    1,672,313.89/2,305,597.14 = 1,206,777.07/x
  3. Step 3: Cross multiply
    1,672,313.89x = 2,305,597.14 × 1,206,777.07
  4. Step 4: Simplify right side
    1,672,313.89x = 2,782,341,761,209.58
  5. Step 5: Solve for x
    x = 2,782,341,761,209.58/1,672,313.89
  6. Step 6: Final answer
    x = 1,663,767.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.