Home / 1,289,699.60-1,933,858.20-540,899.60

Finding the Fourth Proportional to 1,289,699.60, 1,933,858.20 and 540,899.60

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Solution

The fourth proportional to 1,289,699.60, 1,933,858.20 and 540,899.60 is: 811,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,699.60 : 1,933,858.20 = 540,899.60 : x
  2. Step 2: Convert to fraction form
    1,289,699.60/1,933,858.20 = 540,899.60/x
  3. Step 3: Cross multiply
    1,289,699.60x = 1,933,858.20 × 540,899.60
  4. Step 4: Simplify right side
    1,289,699.60x = 1,046,023,126,836.72
  5. Step 5: Solve for x
    x = 1,046,023,126,836.72/1,289,699.60
  6. Step 6: Final answer
    x = 811,059.51

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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.