Home / 1,353,140.86-1,867,334.22-809,276.56

Finding the Fourth Proportional to 1,353,140.86, 1,867,334.22 and 809,276.56

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Solution

The fourth proportional to 1,353,140.86, 1,867,334.22 and 809,276.56 is: 1,116,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,140.86 : 1,867,334.22 = 809,276.56 : x
  2. Step 2: Convert to fraction form
    1,353,140.86/1,867,334.22 = 809,276.56/x
  3. Step 3: Cross multiply
    1,353,140.86x = 1,867,334.22 × 809,276.56
  4. Step 4: Simplify right side
    1,353,140.86x = 1,511,189,819,300.84
  5. Step 5: Solve for x
    x = 1,511,189,819,300.84/1,353,140.86
  6. Step 6: Final answer
    x = 1,116,801.56

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