Home / 628,424.52-942,515.12-244,172.72

Finding the Fourth Proportional to 628,424.52, 942,515.12 and 244,172.72

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Solution

The fourth proportional to 628,424.52, 942,515.12 and 244,172.72 is: 366,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,424.52 : 942,515.12 = 244,172.72 : x
  2. Step 2: Convert to fraction form
    628,424.52/942,515.12 = 244,172.72/x
  3. Step 3: Cross multiply
    628,424.52x = 942,515.12 × 244,172.72
  4. Step 4: Simplify right side
    628,424.52x = 230,136,480,491.53
  5. Step 5: Solve for x
    x = 230,136,480,491.53/628,424.52
  6. Step 6: Final answer
    x = 366,211.81

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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.