Home / 460,734.06-691,195.05-261,143.58

Finding the Fourth Proportional to 460,734.06, 691,195.05 and 261,143.58

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Solution

The fourth proportional to 460,734.06, 691,195.05 and 261,143.58 is: 391,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,734.06 : 691,195.05 = 261,143.58 : x
  2. Step 2: Convert to fraction form
    460,734.06/691,195.05 = 261,143.58/x
  3. Step 3: Cross multiply
    460,734.06x = 691,195.05 × 261,143.58
  4. Step 4: Simplify right side
    460,734.06x = 180,501,149,835.28
  5. Step 5: Solve for x
    x = 180,501,149,835.28/460,734.06
  6. Step 6: Final answer
    x = 391,768.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.