Home / 1,181,619.60-1,773,304.20-782,127.60

Finding the Fourth Proportional to 1,181,619.60, 1,773,304.20 and 782,127.60

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Solution

The fourth proportional to 1,181,619.60, 1,773,304.20 and 782,127.60 is: 1,173,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,619.60 : 1,773,304.20 = 782,127.60 : x
  2. Step 2: Convert to fraction form
    1,181,619.60/1,773,304.20 = 782,127.60/x
  3. Step 3: Cross multiply
    1,181,619.60x = 1,773,304.20 × 782,127.60
  4. Step 4: Simplify right side
    1,181,619.60x = 1,386,950,158,015.92
  5. Step 5: Solve for x
    x = 1,386,950,158,015.92/1,181,619.60
  6. Step 6: Final answer
    x = 1,173,770.44

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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.