Home / 766,936.35-1,058,432.60-422,833.16

Finding the Fourth Proportional to 766,936.35, 1,058,432.60 and 422,833.16

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Solution

The fourth proportional to 766,936.35, 1,058,432.60 and 422,833.16 is: 583,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,936.35 : 1,058,432.60 = 422,833.16 : x
  2. Step 2: Convert to fraction form
    766,936.35/1,058,432.60 = 422,833.16/x
  3. Step 3: Cross multiply
    766,936.35x = 1,058,432.60 × 422,833.16
  4. Step 4: Simplify right side
    766,936.35x = 447,540,404,608.18
  5. Step 5: Solve for x
    x = 447,540,404,608.18/766,936.35
  6. Step 6: Final answer
    x = 583,543.09

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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.