Home / 741,017.45-1,022,604.20-401,485.70

Finding the Fourth Proportional to 741,017.45, 1,022,604.20 and 401,485.70

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Solution

The fourth proportional to 741,017.45, 1,022,604.20 and 401,485.70 is: 554,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,017.45 : 1,022,604.20 = 401,485.70 : x
  2. Step 2: Convert to fraction form
    741,017.45/1,022,604.20 = 401,485.70/x
  3. Step 3: Cross multiply
    741,017.45x = 1,022,604.20 × 401,485.70
  4. Step 4: Simplify right side
    741,017.45x = 410,560,961,052.51
  5. Step 5: Solve for x
    x = 410,560,961,052.51/741,017.45
  6. Step 6: Final answer
    x = 554,050.33

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Double scale
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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.