Home / 424,822.20-637,233.30-350,172.60

Finding the Fourth Proportional to 424,822.20, 637,233.30 and 350,172.60

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Solution

The fourth proportional to 424,822.20, 637,233.30 and 350,172.60 is: 525,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,822.20 : 637,233.30 = 350,172.60 : x
  2. Step 2: Convert to fraction form
    424,822.20/637,233.30 = 350,172.60/x
  3. Step 3: Cross multiply
    424,822.20x = 637,233.30 × 350,172.60
  4. Step 4: Simplify right side
    424,822.20x = 223,141,641,467.58
  5. Step 5: Solve for x
    x = 223,141,641,467.58/424,822.20
  6. Step 6: Final answer
    x = 525,258.90

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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.