Home / 566,568.27-781,908.39-311,965.02

Finding the Fourth Proportional to 566,568.27, 781,908.39 and 311,965.02

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Solution

The fourth proportional to 566,568.27, 781,908.39 and 311,965.02 is: 430,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,568.27 : 781,908.39 = 311,965.02 : x
  2. Step 2: Convert to fraction form
    566,568.27/781,908.39 = 311,965.02/x
  3. Step 3: Cross multiply
    566,568.27x = 781,908.39 × 311,965.02
  4. Step 4: Simplify right side
    566,568.27x = 243,928,066,524.52
  5. Step 5: Solve for x
    x = 243,928,066,524.52/566,568.27
  6. Step 6: Final answer
    x = 430,536.05

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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.