Home / 483,931.56-726,044.70-247,440.36

Finding the Fourth Proportional to 483,931.56, 726,044.70 and 247,440.36

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Solution

The fourth proportional to 483,931.56, 726,044.70 and 247,440.36 is: 371,235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,931.56 : 726,044.70 = 247,440.36 : x
  2. Step 2: Convert to fraction form
    483,931.56/726,044.70 = 247,440.36/x
  3. Step 3: Cross multiply
    483,931.56x = 726,044.70 × 247,440.36
  4. Step 4: Simplify right side
    483,931.56x = 179,652,761,944.09
  5. Step 5: Solve for x
    x = 179,652,761,944.09/483,931.56
  6. Step 6: Final answer
    x = 371,235.89

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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.