Home / 749,160.43-1,033,942.54-422,540.49

Finding the Fourth Proportional to 749,160.43, 1,033,942.54 and 422,540.49

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Solution

The fourth proportional to 749,160.43, 1,033,942.54 and 422,540.49 is: 583,162.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,160.43 : 1,033,942.54 = 422,540.49 : x
  2. Step 2: Convert to fraction form
    749,160.43/1,033,942.54 = 422,540.49/x
  3. Step 3: Cross multiply
    749,160.43x = 1,033,942.54 × 422,540.49
  4. Step 4: Simplify right side
    749,160.43x = 436,882,587,483.45
  5. Step 5: Solve for x
    x = 436,882,587,483.45/749,160.43
  6. Step 6: Final answer
    x = 583,162.92

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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.