Home / 621,160.28-857,738.94-589,273.64

Finding the Fourth Proportional to 621,160.28, 857,738.94 and 589,273.64

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Solution

The fourth proportional to 621,160.28, 857,738.94 and 589,273.64 is: 813,707.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,160.28 : 857,738.94 = 589,273.64 : x
  2. Step 2: Convert to fraction form
    621,160.28/857,738.94 = 589,273.64/x
  3. Step 3: Cross multiply
    621,160.28x = 857,738.94 × 589,273.64
  4. Step 4: Simplify right side
    621,160.28x = 505,442,947,343.54
  5. Step 5: Solve for x
    x = 505,442,947,343.54/621,160.28
  6. Step 6: Final answer
    x = 813,707.77

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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.