Home / 766,698.33-1,058,050.94-422,546.81

Finding the Fourth Proportional to 766,698.33, 1,058,050.94 and 422,546.81

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Solution

The fourth proportional to 766,698.33, 1,058,050.94 and 422,546.81 is: 583,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,698.33 : 1,058,050.94 = 422,546.81 : x
  2. Step 2: Convert to fraction form
    766,698.33/1,058,050.94 = 422,546.81/x
  3. Step 3: Cross multiply
    766,698.33x = 1,058,050.94 × 422,546.81
  4. Step 4: Simplify right side
    766,698.33x = 447,076,049,514.50
  5. Step 5: Solve for x
    x = 447,076,049,514.50/766,698.33
  6. Step 6: Final answer
    x = 583,118.59

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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.