Home / 766,672.44-1,058,054.20-422,507.46

Finding the Fourth Proportional to 766,672.44, 1,058,054.20 and 422,507.46

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Solution

The fourth proportional to 766,672.44, 1,058,054.20 and 422,507.46 is: 583,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,672.44 : 1,058,054.20 = 422,507.46 : x
  2. Step 2: Convert to fraction form
    766,672.44/1,058,054.20 = 422,507.46/x
  3. Step 3: Cross multiply
    766,672.44x = 1,058,054.20 × 422,507.46
  4. Step 4: Simplify right side
    766,672.44x = 447,035,787,294.06
  5. Step 5: Solve for x
    x = 447,035,787,294.06/766,672.44
  6. Step 6: Final answer
    x = 583,085.77

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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.