Home / 781,529.27-1,170,186.08-510,986.43

Finding the Fourth Proportional to 781,529.27, 1,170,186.08 and 510,986.43

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Solution

The fourth proportional to 781,529.27, 1,170,186.08 and 510,986.43 is: 765,101.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,529.27 : 1,170,186.08 = 510,986.43 : x
  2. Step 2: Convert to fraction form
    781,529.27/1,170,186.08 = 510,986.43/x
  3. Step 3: Cross multiply
    781,529.27x = 1,170,186.08 × 510,986.43
  4. Step 4: Simplify right side
    781,529.27x = 597,949,204,899.96
  5. Step 5: Solve for x
    x = 597,949,204,899.96/781,529.27
  6. Step 6: Final answer
    x = 765,101.49

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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.