Home / 767,157.48-1,058,685.60-422,994.06

Finding the Fourth Proportional to 767,157.48, 1,058,685.60 and 422,994.06

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Solution

The fourth proportional to 767,157.48, 1,058,685.60 and 422,994.06 is: 583,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,157.48 : 1,058,685.60 = 422,994.06 : x
  2. Step 2: Convert to fraction form
    767,157.48/1,058,685.60 = 422,994.06/x
  3. Step 3: Cross multiply
    767,157.48x = 1,058,685.60 × 422,994.06
  4. Step 4: Simplify right side
    767,157.48x = 447,817,720,207.54
  5. Step 5: Solve for x
    x = 447,817,720,207.54/767,157.48
  6. Step 6: Final answer
    x = 583,736.37

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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.