Home / 1,399,846.14-2,100,103.65-453,217.86

Finding the Fourth Proportional to 1,399,846.14, 2,100,103.65 and 453,217.86

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Solution

The fourth proportional to 1,399,846.14, 2,100,103.65 and 453,217.86 is: 679,935.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,846.14 : 2,100,103.65 = 453,217.86 : x
  2. Step 2: Convert to fraction form
    1,399,846.14/2,100,103.65 = 453,217.86/x
  3. Step 3: Cross multiply
    1,399,846.14x = 2,100,103.65 × 453,217.86
  4. Step 4: Simplify right side
    1,399,846.14x = 951,804,482,031.19
  5. Step 5: Solve for x
    x = 951,804,482,031.19/1,399,846.14
  6. Step 6: Final answer
    x = 679,935.07

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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.