Home / 815,183.92-1,124,947.56-447,657.04

Finding the Fourth Proportional to 815,183.92, 1,124,947.56 and 447,657.04

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Solution

The fourth proportional to 815,183.92, 1,124,947.56 and 447,657.04 is: 617,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,183.92 : 1,124,947.56 = 447,657.04 : x
  2. Step 2: Convert to fraction form
    815,183.92/1,124,947.56 = 447,657.04/x
  3. Step 3: Cross multiply
    815,183.92x = 1,124,947.56 × 447,657.04
  4. Step 4: Simplify right side
    815,183.92x = 503,590,694,864.82
  5. Step 5: Solve for x
    x = 503,590,694,864.82/815,183.92
  6. Step 6: Final answer
    x = 617,763.28

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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.