Home / 1,040,226.40-1,560,461.10-330,326.20

Finding the Fourth Proportional to 1,040,226.40, 1,560,461.10 and 330,326.20

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Solution

The fourth proportional to 1,040,226.40, 1,560,461.10 and 330,326.20 is: 495,527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,226.40 : 1,560,461.10 = 330,326.20 : x
  2. Step 2: Convert to fraction form
    1,040,226.40/1,560,461.10 = 330,326.20/x
  3. Step 3: Cross multiply
    1,040,226.40x = 1,560,461.10 × 330,326.20
  4. Step 4: Simplify right side
    1,040,226.40x = 515,461,185,410.82
  5. Step 5: Solve for x
    x = 515,461,185,410.82/1,040,226.40
  6. Step 6: Final answer
    x = 495,527.88

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.