Home / 1,280,833.80-1,919,177.10-806,670.60

Finding the Fourth Proportional to 1,280,833.80, 1,919,177.10 and 806,670.60

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Solution

The fourth proportional to 1,280,833.80, 1,919,177.10 and 806,670.60 is: 1,208,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,833.80 : 1,919,177.10 = 806,670.60 : x
  2. Step 2: Convert to fraction form
    1,280,833.80/1,919,177.10 = 806,670.60/x
  3. Step 3: Cross multiply
    1,280,833.80x = 1,919,177.10 × 806,670.60
  4. Step 4: Simplify right side
    1,280,833.80x = 1,548,143,742,763.26
  5. Step 5: Solve for x
    x = 1,548,143,742,763.26/1,280,833.80
  6. Step 6: Final answer
    x = 1,208,699.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.