Home / 766,755.56-1,058,079.47-422,590.41

Finding the Fourth Proportional to 766,755.56, 1,058,079.47 and 422,590.41

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Solution

The fourth proportional to 766,755.56, 1,058,079.47 and 422,590.41 is: 583,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,755.56 : 1,058,079.47 = 422,590.41 : x
  2. Step 2: Convert to fraction form
    766,755.56/1,058,079.47 = 422,590.41/x
  3. Step 3: Cross multiply
    766,755.56x = 1,058,079.47 × 422,590.41
  4. Step 4: Simplify right side
    766,755.56x = 447,134,234,926.93
  5. Step 5: Solve for x
    x = 447,134,234,926.93/766,755.56
  6. Step 6: Final answer
    x = 583,150.95

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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.