Home / 1,190,086.14-1,782,081.45-657,015.42

Finding the Fourth Proportional to 1,190,086.14, 1,782,081.45 and 657,015.42

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Solution

The fourth proportional to 1,190,086.14, 1,782,081.45 and 657,015.42 is: 983,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,086.14 : 1,782,081.45 = 657,015.42 : x
  2. Step 2: Convert to fraction form
    1,190,086.14/1,782,081.45 = 657,015.42/x
  3. Step 3: Cross multiply
    1,190,086.14x = 1,782,081.45 × 657,015.42
  4. Step 4: Simplify right side
    1,190,086.14x = 1,170,854,992,345.96
  5. Step 5: Solve for x
    x = 1,170,854,992,345.96/1,190,086.14
  6. Step 6: Final answer
    x = 983,840.54

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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.