Home / 1,255,720.44-1,883,538.90-545,749.32

Finding the Fourth Proportional to 1,255,720.44, 1,883,538.90 and 545,749.32

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Solution

The fourth proportional to 1,255,720.44, 1,883,538.90 and 545,749.32 is: 818,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,720.44 : 1,883,538.90 = 545,749.32 : x
  2. Step 2: Convert to fraction form
    1,255,720.44/1,883,538.90 = 545,749.32/x
  3. Step 3: Cross multiply
    1,255,720.44x = 1,883,538.90 × 545,749.32
  4. Step 4: Simplify right side
    1,255,720.44x = 1,027,940,073,868.55
  5. Step 5: Solve for x
    x = 1,027,940,073,868.55/1,255,720.44
  6. Step 6: Final answer
    x = 818,605.83

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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.