Home / 761,997.97-1,142,196.85-256,383.41

Finding the Fourth Proportional to 761,997.97, 1,142,196.85 and 256,383.41

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Solution

The fourth proportional to 761,997.97, 1,142,196.85 and 256,383.41 is: 384,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,997.97 : 1,142,196.85 = 256,383.41 : x
  2. Step 2: Convert to fraction form
    761,997.97/1,142,196.85 = 256,383.41/x
  3. Step 3: Cross multiply
    761,997.97x = 1,142,196.85 × 256,383.41
  4. Step 4: Simplify right side
    761,997.97x = 292,840,325,508.79
  5. Step 5: Solve for x
    x = 292,840,325,508.79/761,997.97
  6. Step 6: Final answer
    x = 384,305.91

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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.