Home / 1,242,993.65-1,715,314.25-699,129.27

Finding the Fourth Proportional to 1,242,993.65, 1,715,314.25 and 699,129.27

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Solution

The fourth proportional to 1,242,993.65, 1,715,314.25 and 699,129.27 is: 964,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,993.65 : 1,715,314.25 = 699,129.27 : x
  2. Step 2: Convert to fraction form
    1,242,993.65/1,715,314.25 = 699,129.27/x
  3. Step 3: Cross multiply
    1,242,993.65x = 1,715,314.25 × 699,129.27
  4. Step 4: Simplify right side
    1,242,993.65x = 1,199,226,401,170.92
  5. Step 5: Solve for x
    x = 1,199,226,401,170.92/1,242,993.65
  6. Step 6: Final answer
    x = 964,788.84

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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.