Home / 762,300.92-1,052,017.44-422,761.88

Finding the Fourth Proportional to 762,300.92, 1,052,017.44 and 422,761.88

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Solution

The fourth proportional to 762,300.92, 1,052,017.44 and 422,761.88 is: 583,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,300.92 : 1,052,017.44 = 422,761.88 : x
  2. Step 2: Convert to fraction form
    762,300.92/1,052,017.44 = 422,761.88/x
  3. Step 3: Cross multiply
    762,300.92x = 1,052,017.44 × 422,761.88
  4. Step 4: Simplify right side
    762,300.92x = 444,752,870,727.19
  5. Step 5: Solve for x
    x = 444,752,870,727.19/762,300.92
  6. Step 6: Final answer
    x = 583,434.78

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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.