Home / 461,825.10-637,758.79-436,665.03

Finding the Fourth Proportional to 461,825.10, 637,758.79 and 436,665.03

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Solution

The fourth proportional to 461,825.10, 637,758.79 and 436,665.03 is: 603,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,825.10 : 637,758.79 = 436,665.03 : x
  2. Step 2: Convert to fraction form
    461,825.10/637,758.79 = 436,665.03/x
  3. Step 3: Cross multiply
    461,825.10x = 637,758.79 × 436,665.03
  4. Step 4: Simplify right side
    461,825.10x = 278,486,961,168.11
  5. Step 5: Solve for x
    x = 278,486,961,168.11/461,825.10
  6. Step 6: Final answer
    x = 603,013.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.