Home / 1,815,339.28-2,505,147.48-999,525.84

Finding the Fourth Proportional to 1,815,339.28, 2,505,147.48 and 999,525.84

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Solution

The fourth proportional to 1,815,339.28, 2,505,147.48 and 999,525.84 is: 1,379,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,339.28 : 2,505,147.48 = 999,525.84 : x
  2. Step 2: Convert to fraction form
    1,815,339.28/2,505,147.48 = 999,525.84/x
  3. Step 3: Cross multiply
    1,815,339.28x = 2,505,147.48 × 999,525.84
  4. Step 4: Simplify right side
    1,815,339.28x = 2,503,959,639,270.88
  5. Step 5: Solve for x
    x = 2,503,959,639,270.88/1,815,339.28
  6. Step 6: Final answer
    x = 1,379,334.25

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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.