Home / 1,786,647.67-2,465,587.33-970,855.75

Finding the Fourth Proportional to 1,786,647.67, 2,465,587.33 and 970,855.75

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Solution

The fourth proportional to 1,786,647.67, 2,465,587.33 and 970,855.75 is: 1,339,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,647.67 : 2,465,587.33 = 970,855.75 : x
  2. Step 2: Convert to fraction form
    1,786,647.67/2,465,587.33 = 970,855.75/x
  3. Step 3: Cross multiply
    1,786,647.67x = 2,465,587.33 × 970,855.75
  4. Step 4: Simplify right side
    1,786,647.67x = 2,393,729,636,457.65
  5. Step 5: Solve for x
    x = 2,393,729,636,457.65/1,786,647.67
  6. Step 6: Final answer
    x = 1,339,788.30

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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.