Home / 462,786.40-693,661.20-196,501.60

Finding the Fourth Proportional to 462,786.40, 693,661.20 and 196,501.60

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Solution

The fourth proportional to 462,786.40, 693,661.20 and 196,501.60 is: 294,532.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,786.40 : 693,661.20 = 196,501.60 : x
  2. Step 2: Convert to fraction form
    462,786.40/693,661.20 = 196,501.60/x
  3. Step 3: Cross multiply
    462,786.40x = 693,661.20 × 196,501.60
  4. Step 4: Simplify right side
    462,786.40x = 136,305,535,657.92
  5. Step 5: Solve for x
    x = 136,305,535,657.92/462,786.40
  6. Step 6: Final answer
    x = 294,532.28

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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.