Home / 929,709.63-1,395,311.67-480,562.07

Finding the Fourth Proportional to 929,709.63, 1,395,311.67 and 480,562.07

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Solution

The fourth proportional to 929,709.63, 1,395,311.67 and 480,562.07 is: 721,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,709.63 : 1,395,311.67 = 480,562.07 : x
  2. Step 2: Convert to fraction form
    929,709.63/1,395,311.67 = 480,562.07/x
  3. Step 3: Cross multiply
    929,709.63x = 1,395,311.67 × 480,562.07
  4. Step 4: Simplify right side
    929,709.63x = 670,533,857,453.80
  5. Step 5: Solve for x
    x = 670,533,857,453.80/929,709.63
  6. Step 6: Final answer
    x = 721,229.33

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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.