Home / 862,378.77-1,293,856.06-382,540.37

Finding the Fourth Proportional to 862,378.77, 1,293,856.06 and 382,540.37

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Solution

The fourth proportional to 862,378.77, 1,293,856.06 and 382,540.37 is: 573,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,378.77 : 1,293,856.06 = 382,540.37 : x
  2. Step 2: Convert to fraction form
    862,378.77/1,293,856.06 = 382,540.37/x
  3. Step 3: Cross multiply
    862,378.77x = 1,293,856.06 × 382,540.37
  4. Step 4: Simplify right side
    862,378.77x = 494,952,178,197.43
  5. Step 5: Solve for x
    x = 494,952,178,197.43/862,378.77
  6. Step 6: Final answer
    x = 573,938.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.