Home / 440,921.16-608,453.48-259,640.73

Finding the Fourth Proportional to 440,921.16, 608,453.48 and 259,640.73

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Solution

The fourth proportional to 440,921.16, 608,453.48 and 259,640.73 is: 358,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,921.16 : 608,453.48 = 259,640.73 : x
  2. Step 2: Convert to fraction form
    440,921.16/608,453.48 = 259,640.73/x
  3. Step 3: Cross multiply
    440,921.16x = 608,453.48 × 259,640.73
  4. Step 4: Simplify right side
    440,921.16x = 157,979,305,718.24
  5. Step 5: Solve for x
    x = 157,979,305,718.24/440,921.16
  6. Step 6: Final answer
    x = 358,293.77

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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.