Home / 913,629.44-1,261,286.16-569,570.24

Finding the Fourth Proportional to 913,629.44, 1,261,286.16 and 569,570.24

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Solution

The fourth proportional to 913,629.44, 1,261,286.16 and 569,570.24 is: 786,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,629.44 : 1,261,286.16 = 569,570.24 : x
  2. Step 2: Convert to fraction form
    913,629.44/1,261,286.16 = 569,570.24/x
  3. Step 3: Cross multiply
    913,629.44x = 1,261,286.16 × 569,570.24
  4. Step 4: Simplify right side
    913,629.44x = 718,391,060,859.88
  5. Step 5: Solve for x
    x = 718,391,060,859.88/913,629.44
  6. Step 6: Final answer
    x = 786,304.63

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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.