Home / 931,687.08-1,285,773.88-523,917.30

Finding the Fourth Proportional to 931,687.08, 1,285,773.88 and 523,917.30

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Solution

The fourth proportional to 931,687.08, 1,285,773.88 and 523,917.30 is: 723,031.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,687.08 : 1,285,773.88 = 523,917.30 : x
  2. Step 2: Convert to fraction form
    931,687.08/1,285,773.88 = 523,917.30/x
  3. Step 3: Cross multiply
    931,687.08x = 1,285,773.88 × 523,917.30
  4. Step 4: Simplify right side
    931,687.08x = 673,639,179,620.12
  5. Step 5: Solve for x
    x = 673,639,179,620.12/931,687.08
  6. Step 6: Final answer
    x = 723,031.58

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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.