Home / 1,818,615-2,728,031.85-556,453.56

Finding the Fourth Proportional to 1,818,615, 2,728,031.85 and 556,453.56

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Solution

The fourth proportional to 1,818,615, 2,728,031.85 and 556,453.56 is: 834,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,615 : 2,728,031.85 = 556,453.56 : x
  2. Step 2: Convert to fraction form
    1,818,615/2,728,031.85 = 556,453.56/x
  3. Step 3: Cross multiply
    1,818,615x = 2,728,031.85 × 556,453.56
  4. Step 4: Simplify right side
    1,818,615x = 1,518,023,034,725.89
  5. Step 5: Solve for x
    x = 1,518,023,034,725.89/1,818,615
  6. Step 6: Final answer
    x = 834,713.80

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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.