Home / 410,137.56-565,838.46-240,309.72

Finding the Fourth Proportional to 410,137.56, 565,838.46 and 240,309.72

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Solution

The fourth proportional to 410,137.56, 565,838.46 and 240,309.72 is: 331,538.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,137.56 : 565,838.46 = 240,309.72 : x
  2. Step 2: Convert to fraction form
    410,137.56/565,838.46 = 240,309.72/x
  3. Step 3: Cross multiply
    410,137.56x = 565,838.46 × 240,309.72
  4. Step 4: Simplify right side
    410,137.56x = 135,976,481,887.83
  5. Step 5: Solve for x
    x = 135,976,481,887.83/410,137.56
  6. Step 6: Final answer
    x = 331,538.72

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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.