Home / 863,891.12-1,191,614.68-524,359.37

Finding the Fourth Proportional to 863,891.12, 1,191,614.68 and 524,359.37

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Solution

The fourth proportional to 863,891.12, 1,191,614.68 and 524,359.37 is: 723,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,891.12 : 1,191,614.68 = 524,359.37 : x
  2. Step 2: Convert to fraction form
    863,891.12/1,191,614.68 = 524,359.37/x
  3. Step 3: Cross multiply
    863,891.12x = 1,191,614.68 × 524,359.37
  4. Step 4: Simplify right side
    863,891.12x = 624,834,322,887.55
  5. Step 5: Solve for x
    x = 624,834,322,887.55/863,891.12
  6. Step 6: Final answer
    x = 723,279.02

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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.