Home / 762,476.32-1,052,251.68-422,944.48

Finding the Fourth Proportional to 762,476.32, 1,052,251.68 and 422,944.48

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Solution

The fourth proportional to 762,476.32, 1,052,251.68 and 422,944.48 is: 583,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,476.32 : 1,052,251.68 = 422,944.48 : x
  2. Step 2: Convert to fraction form
    762,476.32/1,052,251.68 = 422,944.48/x
  3. Step 3: Cross multiply
    762,476.32x = 1,052,251.68 × 422,944.48
  4. Step 4: Simplify right side
    762,476.32x = 445,044,039,626.73
  5. Step 5: Solve for x
    x = 445,044,039,626.73/762,476.32
  6. Step 6: Final answer
    x = 583,682.44

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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.