Home / 1,188,164.53-1,782,468.65-539,786.24

Finding the Fourth Proportional to 1,188,164.53, 1,782,468.65 and 539,786.24

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Solution

The fourth proportional to 1,188,164.53, 1,782,468.65 and 539,786.24 is: 809,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,164.53 : 1,782,468.65 = 539,786.24 : x
  2. Step 2: Convert to fraction form
    1,188,164.53/1,782,468.65 = 539,786.24/x
  3. Step 3: Cross multiply
    1,188,164.53x = 1,782,468.65 × 539,786.24
  4. Step 4: Simplify right side
    1,188,164.53x = 962,152,059,649.14
  5. Step 5: Solve for x
    x = 962,152,059,649.14/1,188,164.53
  6. Step 6: Final answer
    x = 809,780.16

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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.