Home / 857,456.40-1,183,232.16-475,469.04

Finding the Fourth Proportional to 857,456.40, 1,183,232.16 and 475,469.04

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Solution

The fourth proportional to 857,456.40, 1,183,232.16 and 475,469.04 is: 656,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,456.40 : 1,183,232.16 = 475,469.04 : x
  2. Step 2: Convert to fraction form
    857,456.40/1,183,232.16 = 475,469.04/x
  3. Step 3: Cross multiply
    857,456.40x = 1,183,232.16 × 475,469.04
  4. Step 4: Simplify right side
    857,456.40x = 562,590,259,212.33
  5. Step 5: Solve for x
    x = 562,590,259,212.33/857,456.40
  6. Step 6: Final answer
    x = 656,115.30

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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.