Home / 461,830.60-637,766.38-436,670.54

Finding the Fourth Proportional to 461,830.60, 637,766.38 and 436,670.54

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Solution

The fourth proportional to 461,830.60, 637,766.38 and 436,670.54 is: 603,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,830.60 : 637,766.38 = 436,670.54 : x
  2. Step 2: Convert to fraction form
    461,830.60/637,766.38 = 436,670.54/x
  3. Step 3: Cross multiply
    461,830.60x = 637,766.38 × 436,670.54
  4. Step 4: Simplify right side
    461,830.60x = 278,493,789,548.45
  5. Step 5: Solve for x
    x = 278,493,789,548.45/461,830.60
  6. Step 6: Final answer
    x = 603,021.52

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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.