Home / 882,739.53-1,322,438.04-521,829.86

Finding the Fourth Proportional to 882,739.53, 1,322,438.04 and 521,829.86

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Solution

The fourth proportional to 882,739.53, 1,322,438.04 and 521,829.86 is: 781,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,739.53 : 1,322,438.04 = 521,829.86 : x
  2. Step 2: Convert to fraction form
    882,739.53/1,322,438.04 = 521,829.86/x
  3. Step 3: Cross multiply
    882,739.53x = 1,322,438.04 × 521,829.86
  4. Step 4: Simplify right side
    882,739.53x = 690,087,650,659.68
  5. Step 5: Solve for x
    x = 690,087,650,659.68/882,739.53
  6. Step 6: Final answer
    x = 781,756.82

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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.