Home / 862,932.52-1,190,814.40-500,371.68

Finding the Fourth Proportional to 862,932.52, 1,190,814.40 and 500,371.68

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Solution

The fourth proportional to 862,932.52, 1,190,814.40 and 500,371.68 is: 690,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,932.52 : 1,190,814.40 = 500,371.68 : x
  2. Step 2: Convert to fraction form
    862,932.52/1,190,814.40 = 500,371.68/x
  3. Step 3: Cross multiply
    862,932.52x = 1,190,814.40 × 500,371.68
  4. Step 4: Simplify right side
    862,932.52x = 595,849,801,896.19
  5. Step 5: Solve for x
    x = 595,849,801,896.19/862,932.52
  6. Step 6: Final answer
    x = 690,494.09

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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.