Home / 1,289,366.66-1,933,592.34-378,294.86

Finding the Fourth Proportional to 1,289,366.66, 1,933,592.34 and 378,294.86

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Solution

The fourth proportional to 1,289,366.66, 1,933,592.34 and 378,294.86 is: 567,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,366.66 : 1,933,592.34 = 378,294.86 : x
  2. Step 2: Convert to fraction form
    1,289,366.66/1,933,592.34 = 378,294.86/x
  3. Step 3: Cross multiply
    1,289,366.66x = 1,933,592.34 × 378,294.86
  4. Step 4: Simplify right side
    1,289,366.66x = 731,468,043,557.37
  5. Step 5: Solve for x
    x = 731,468,043,557.37/1,289,366.66
  6. Step 6: Final answer
    x = 567,308.02

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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.