Home / 741,052.32-1,022,652.87-401,520.57

Finding the Fourth Proportional to 741,052.32, 1,022,652.87 and 401,520.57

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Solution

The fourth proportional to 741,052.32, 1,022,652.87 and 401,520.57 is: 554,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,052.32 : 1,022,652.87 = 401,520.57 : x
  2. Step 2: Convert to fraction form
    741,052.32/1,022,652.87 = 401,520.57/x
  3. Step 3: Cross multiply
    741,052.32x = 1,022,652.87 × 401,520.57
  4. Step 4: Simplify right side
    741,052.32x = 410,616,163,274.54
  5. Step 5: Solve for x
    x = 410,616,163,274.54/741,052.32
  6. Step 6: Final answer
    x = 554,098.75

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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.