Home / 1,453,118.76-2,179,991.88-442,319.76

Finding the Fourth Proportional to 1,453,118.76, 2,179,991.88 and 442,319.76

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Solution

The fourth proportional to 1,453,118.76, 2,179,991.88 and 442,319.76 is: 663,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,118.76 : 2,179,991.88 = 442,319.76 : x
  2. Step 2: Convert to fraction form
    1,453,118.76/2,179,991.88 = 442,319.76/x
  3. Step 3: Cross multiply
    1,453,118.76x = 2,179,991.88 × 442,319.76
  4. Step 4: Simplify right side
    1,453,118.76x = 964,253,485,163.55
  5. Step 5: Solve for x
    x = 964,253,485,163.55/1,453,118.76
  6. Step 6: Final answer
    x = 663,575.14

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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.