Home / 460,383.04-635,288.16-256,418.56

Finding the Fourth Proportional to 460,383.04, 635,288.16 and 256,418.56

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Solution

The fourth proportional to 460,383.04, 635,288.16 and 256,418.56 is: 353,835.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,383.04 : 635,288.16 = 256,418.56 : x
  2. Step 2: Convert to fraction form
    460,383.04/635,288.16 = 256,418.56/x
  3. Step 3: Cross multiply
    460,383.04x = 635,288.16 × 256,418.56
  4. Step 4: Simplify right side
    460,383.04x = 162,899,675,172.25
  5. Step 5: Solve for x
    x = 162,899,675,172.25/460,383.04
  6. Step 6: Final answer
    x = 353,835.09

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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.