Home / 766,736.52-1,058,096.28-422,572.36

Finding the Fourth Proportional to 766,736.52, 1,058,096.28 and 422,572.36

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Solution

The fourth proportional to 766,736.52, 1,058,096.28 and 422,572.36 is: 583,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,736.52 : 1,058,096.28 = 422,572.36 : x
  2. Step 2: Convert to fraction form
    766,736.52/1,058,096.28 = 422,572.36/x
  3. Step 3: Cross multiply
    766,736.52x = 1,058,096.28 × 422,572.36
  4. Step 4: Simplify right side
    766,736.52x = 447,122,242,146.82
  5. Step 5: Solve for x
    x = 447,122,242,146.82/766,736.52
  6. Step 6: Final answer
    x = 583,149.79

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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.