Home / 766,932.21-1,058,318.01-422,749.17

Finding the Fourth Proportional to 766,932.21, 1,058,318.01 and 422,749.17

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Solution

The fourth proportional to 766,932.21, 1,058,318.01 and 422,749.17 is: 583,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,932.21 : 1,058,318.01 = 422,749.17 : x
  2. Step 2: Convert to fraction form
    766,932.21/1,058,318.01 = 422,749.17/x
  3. Step 3: Cross multiply
    766,932.21x = 1,058,318.01 × 422,749.17
  4. Step 4: Simplify right side
    766,932.21x = 447,403,060,323.55
  5. Step 5: Solve for x
    x = 447,403,060,323.55/766,932.21
  6. Step 6: Final answer
    x = 583,367.15

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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.