Home / 931,691.14-1,285,779.33-523,921.30

Finding the Fourth Proportional to 931,691.14, 1,285,779.33 and 523,921.30

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Solution

The fourth proportional to 931,691.14, 1,285,779.33 and 523,921.30 is: 723,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,691.14 : 1,285,779.33 = 523,921.30 : x
  2. Step 2: Convert to fraction form
    931,691.14/1,285,779.33 = 523,921.30/x
  3. Step 3: Cross multiply
    931,691.14x = 1,285,779.33 × 523,921.30
  4. Step 4: Simplify right side
    931,691.14x = 673,647,178,086.73
  5. Step 5: Solve for x
    x = 673,647,178,086.73/931,691.14
  6. Step 6: Final answer
    x = 723,037.01

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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.