Home / 424,890.48-637,729.92-214,676.04

Finding the Fourth Proportional to 424,890.48, 637,729.92 and 214,676.04

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Solution

The fourth proportional to 424,890.48, 637,729.92 and 214,676.04 is: 322,213.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,890.48 : 637,729.92 = 214,676.04 : x
  2. Step 2: Convert to fraction form
    424,890.48/637,729.92 = 214,676.04/x
  3. Step 3: Cross multiply
    424,890.48x = 637,729.92 × 214,676.04
  4. Step 4: Simplify right side
    424,890.48x = 136,905,333,815.12
  5. Step 5: Solve for x
    x = 136,905,333,815.12/424,890.48
  6. Step 6: Final answer
    x = 322,213.23

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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.