Home / 410,941.57-616,470.25-126,655.11

Finding the Fourth Proportional to 410,941.57, 616,470.25 and 126,655.11

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Solution

The fourth proportional to 410,941.57, 616,470.25 and 126,655.11 is: 190,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,941.57 : 616,470.25 = 126,655.11 : x
  2. Step 2: Convert to fraction form
    410,941.57/616,470.25 = 126,655.11/x
  3. Step 3: Cross multiply
    410,941.57x = 616,470.25 × 126,655.11
  4. Step 4: Simplify right side
    410,941.57x = 78,079,107,325.48
  5. Step 5: Solve for x
    x = 78,079,107,325.48/410,941.57
  6. Step 6: Final answer
    x = 190,000.51

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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.