Home / 857,614.40-1,286,483.52-226,520

Finding the Fourth Proportional to 857,614.40, 1,286,483.52 and 226,520

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Solution

The fourth proportional to 857,614.40, 1,286,483.52 and 226,520 is: 339,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,614.40 : 1,286,483.52 = 226,520 : x
  2. Step 2: Convert to fraction form
    857,614.40/1,286,483.52 = 226,520/x
  3. Step 3: Cross multiply
    857,614.40x = 1,286,483.52 × 226,520
  4. Step 4: Simplify right side
    857,614.40x = 291,414,246,950.40
  5. Step 5: Solve for x
    x = 291,414,246,950.40/857,614.40
  6. Step 6: Final answer
    x = 339,796.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.