Home / 1,039,800.45-1,556,590.27-978,283.65

Finding the Fourth Proportional to 1,039,800.45, 1,556,590.27 and 978,283.65

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Solution

The fourth proportional to 1,039,800.45, 1,556,590.27 and 978,283.65 is: 1,464,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,800.45 : 1,556,590.27 = 978,283.65 : x
  2. Step 2: Convert to fraction form
    1,039,800.45/1,556,590.27 = 978,283.65/x
  3. Step 3: Cross multiply
    1,039,800.45x = 1,556,590.27 × 978,283.65
  4. Step 4: Simplify right side
    1,039,800.45x = 1,522,786,810,890.09
  5. Step 5: Solve for x
    x = 1,522,786,810,890.09/1,039,800.45
  6. Step 6: Final answer
    x = 1,464,499.09

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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.