Home / 1,181,966.96-1,630,872.60-698,289.68

Finding the Fourth Proportional to 1,181,966.96, 1,630,872.60 and 698,289.68

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Solution

The fourth proportional to 1,181,966.96, 1,630,872.60 and 698,289.68 is: 963,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,966.96 : 1,630,872.60 = 698,289.68 : x
  2. Step 2: Convert to fraction form
    1,181,966.96/1,630,872.60 = 698,289.68/x
  3. Step 3: Cross multiply
    1,181,966.96x = 1,630,872.60 × 698,289.68
  4. Step 4: Simplify right side
    1,181,966.96x = 1,138,821,505,974.77
  5. Step 5: Solve for x
    x = 1,138,821,505,974.77/1,181,966.96
  6. Step 6: Final answer
    x = 963,496.90

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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.