Home / 1,453,043.70-2,179,647.54-442,198.62

Finding the Fourth Proportional to 1,453,043.70, 2,179,647.54 and 442,198.62

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Solution

The fourth proportional to 1,453,043.70, 2,179,647.54 and 442,198.62 is: 663,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,043.70 : 2,179,647.54 = 442,198.62 : x
  2. Step 2: Convert to fraction form
    1,453,043.70/2,179,647.54 = 442,198.62/x
  3. Step 3: Cross multiply
    1,453,043.70x = 2,179,647.54 × 442,198.62
  4. Step 4: Simplify right side
    1,453,043.70x = 963,837,134,274.40
  5. Step 5: Solve for x
    x = 963,837,134,274.40/1,453,043.70
  6. Step 6: Final answer
    x = 663,322.88

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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.