Home / 488,931.48-674,719.38-274,071.24

Finding the Fourth Proportional to 488,931.48, 674,719.38 and 274,071.24

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Solution

The fourth proportional to 488,931.48, 674,719.38 and 274,071.24 is: 378,214.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,931.48 : 674,719.38 = 274,071.24 : x
  2. Step 2: Convert to fraction form
    488,931.48/674,719.38 = 274,071.24/x
  3. Step 3: Cross multiply
    488,931.48x = 674,719.38 × 274,071.24
  4. Step 4: Simplify right side
    488,931.48x = 184,921,177,128.63
  5. Step 5: Solve for x
    x = 184,921,177,128.63/488,931.48
  6. Step 6: Final answer
    x = 378,214.91

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1.5x scale

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.