Home / 488,904.83-674,719.85-274,044.95

Finding the Fourth Proportional to 488,904.83, 674,719.85 and 274,044.95

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Solution

The fourth proportional to 488,904.83, 674,719.85 and 274,044.95 is: 378,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,904.83 : 674,719.85 = 274,044.95 : x
  2. Step 2: Convert to fraction form
    488,904.83/674,719.85 = 274,044.95/x
  3. Step 3: Cross multiply
    488,904.83x = 674,719.85 × 274,044.95
  4. Step 4: Simplify right side
    488,904.83x = 184,903,566,187.03
  5. Step 5: Solve for x
    x = 184,903,566,187.03/488,904.83
  6. Step 6: Final answer
    x = 378,199.51

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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.