Home / 1,289,115.26-1,933,521.80-436,184.36

Finding the Fourth Proportional to 1,289,115.26, 1,933,521.80 and 436,184.36

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Solution

The fourth proportional to 1,289,115.26, 1,933,521.80 and 436,184.36 is: 654,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,115.26 : 1,933,521.80 = 436,184.36 : x
  2. Step 2: Convert to fraction form
    1,289,115.26/1,933,521.80 = 436,184.36/x
  3. Step 3: Cross multiply
    1,289,115.26x = 1,933,521.80 × 436,184.36
  4. Step 4: Simplify right side
    1,289,115.26x = 843,371,968,879.05
  5. Step 5: Solve for x
    x = 843,371,968,879.05/1,289,115.26
  6. Step 6: Final answer
    x = 654,225.42

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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.