Home / 1,040,011.75-1,560,017.63-252,043.75

Finding the Fourth Proportional to 1,040,011.75, 1,560,017.63 and 252,043.75

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Solution

The fourth proportional to 1,040,011.75, 1,560,017.63 and 252,043.75 is: 378,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,011.75 : 1,560,017.63 = 252,043.75 : x
  2. Step 2: Convert to fraction form
    1,040,011.75/1,560,017.63 = 252,043.75/x
  3. Step 3: Cross multiply
    1,040,011.75x = 1,560,017.63 × 252,043.75
  4. Step 4: Simplify right side
    1,040,011.75x = 393,192,692,271.09
  5. Step 5: Solve for x
    x = 393,192,692,271.09/1,040,011.75
  6. Step 6: Final answer
    x = 378,065.63

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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.