Home / 767,135.39-1,058,654.00-422,983.66

Finding the Fourth Proportional to 767,135.39, 1,058,654.00 and 422,983.66

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Solution

The fourth proportional to 767,135.39, 1,058,654.00 and 422,983.66 is: 583,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,135.39 : 1,058,654.00 = 422,983.66 : x
  2. Step 2: Convert to fraction form
    767,135.39/1,058,654.00 = 422,983.66/x
  3. Step 3: Cross multiply
    767,135.39x = 1,058,654.00 × 422,983.66
  4. Step 4: Simplify right side
    767,135.39x = 447,793,340,638.97
  5. Step 5: Solve for x
    x = 447,793,340,638.97/767,135.39
  6. Step 6: Final answer
    x = 583,721.40

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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.