Home / 1,138,926.83-1,571,594.60-629,530.79

Finding the Fourth Proportional to 1,138,926.83, 1,571,594.60 and 629,530.79

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Solution

The fourth proportional to 1,138,926.83, 1,571,594.60 and 629,530.79 is: 868,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,926.83 : 1,571,594.60 = 629,530.79 : x
  2. Step 2: Convert to fraction form
    1,138,926.83/1,571,594.60 = 629,530.79/x
  3. Step 3: Cross multiply
    1,138,926.83x = 1,571,594.60 × 629,530.79
  4. Step 4: Simplify right side
    1,138,926.83x = 989,367,183,813.59
  5. Step 5: Solve for x
    x = 989,367,183,813.59/1,138,926.83
  6. Step 6: Final answer
    x = 868,683.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.