Home / 949,722.28-1,424,571.54-381,355

Finding the Fourth Proportional to 949,722.28, 1,424,571.54 and 381,355

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Solution

The fourth proportional to 949,722.28, 1,424,571.54 and 381,355 is: 572,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,722.28 : 1,424,571.54 = 381,355 : x
  2. Step 2: Convert to fraction form
    949,722.28/1,424,571.54 = 381,355/x
  3. Step 3: Cross multiply
    949,722.28x = 1,424,571.54 × 381,355
  4. Step 4: Simplify right side
    949,722.28x = 543,267,479,636.70
  5. Step 5: Solve for x
    x = 543,267,479,636.70/949,722.28
  6. Step 6: Final answer
    x = 572,027.73

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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.