Home / 762,170.92-1,051,837.86-422,631.88

Finding the Fourth Proportional to 762,170.92, 1,051,837.86 and 422,631.88

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Solution

The fourth proportional to 762,170.92, 1,051,837.86 and 422,631.88 is: 583,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,170.92 : 1,051,837.86 = 422,631.88 : x
  2. Step 2: Convert to fraction form
    762,170.92/1,051,837.86 = 422,631.88/x
  3. Step 3: Cross multiply
    762,170.92x = 1,051,837.86 × 422,631.88
  4. Step 4: Simplify right side
    762,170.92x = 444,540,212,226.98
  5. Step 5: Solve for x
    x = 444,540,212,226.98/762,170.92
  6. Step 6: Final answer
    x = 583,255.28

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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.