Home / 863,651.12-1,191,453.26-500,865

Finding the Fourth Proportional to 863,651.12, 1,191,453.26 and 500,865

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Solution

The fourth proportional to 863,651.12, 1,191,453.26 and 500,865 is: 690,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,651.12 : 1,191,453.26 = 500,865 : x
  2. Step 2: Convert to fraction form
    863,651.12/1,191,453.26 = 500,865/x
  3. Step 3: Cross multiply
    863,651.12x = 1,191,453.26 × 500,865
  4. Step 4: Simplify right side
    863,651.12x = 596,757,237,069.90
  5. Step 5: Solve for x
    x = 596,757,237,069.90/863,651.12
  6. Step 6: Final answer
    x = 690,970.26

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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.