Home / 766,877.22-1,058,297.96-422,726.45

Finding the Fourth Proportional to 766,877.22, 1,058,297.96 and 422,726.45

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Solution

The fourth proportional to 766,877.22, 1,058,297.96 and 422,726.45 is: 583,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,877.22 : 1,058,297.96 = 422,726.45 : x
  2. Step 2: Convert to fraction form
    766,877.22/1,058,297.96 = 422,726.45/x
  3. Step 3: Cross multiply
    766,877.22x = 1,058,297.96 × 422,726.45
  4. Step 4: Simplify right side
    766,877.22x = 447,370,535,438.37
  5. Step 5: Solve for x
    x = 447,370,535,438.37/766,877.22
  6. Step 6: Final answer
    x = 583,366.57

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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.