Home / 291,512.76-401,440.60-253,254.84

Finding the Fourth Proportional to 291,512.76, 401,440.60 and 253,254.84

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Solution

The fourth proportional to 291,512.76, 401,440.60 and 253,254.84 is: 348,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,512.76 : 401,440.60 = 253,254.84 : x
  2. Step 2: Convert to fraction form
    291,512.76/401,440.60 = 253,254.84/x
  3. Step 3: Cross multiply
    291,512.76x = 401,440.60 × 253,254.84
  4. Step 4: Simplify right side
    291,512.76x = 101,666,774,922.50
  5. Step 5: Solve for x
    x = 101,666,774,922.50/291,512.76
  6. Step 6: Final answer
    x = 348,755.83

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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.