Home / 1,107,956.37-1,530,240.23-744,749.45

Finding the Fourth Proportional to 1,107,956.37, 1,530,240.23 and 744,749.45

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Solution

The fourth proportional to 1,107,956.37, 1,530,240.23 and 744,749.45 is: 1,028,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,956.37 : 1,530,240.23 = 744,749.45 : x
  2. Step 2: Convert to fraction form
    1,107,956.37/1,530,240.23 = 744,749.45/x
  3. Step 3: Cross multiply
    1,107,956.37x = 1,530,240.23 × 744,749.45
  4. Step 4: Simplify right side
    1,107,956.37x = 1,139,645,563,871.05
  5. Step 5: Solve for x
    x = 1,139,645,563,871.05/1,107,956.37
  6. Step 6: Final answer
    x = 1,028,601.48

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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.