Home / 1,140,467.06-1,709,371.98-634,786.20

Finding the Fourth Proportional to 1,140,467.06, 1,709,371.98 and 634,786.20

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Solution

The fourth proportional to 1,140,467.06, 1,709,371.98 and 634,786.20 is: 951,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,467.06 : 1,709,371.98 = 634,786.20 : x
  2. Step 2: Convert to fraction form
    1,140,467.06/1,709,371.98 = 634,786.20/x
  3. Step 3: Cross multiply
    1,140,467.06x = 1,709,371.98 × 634,786.20
  4. Step 4: Simplify right side
    1,140,467.06x = 1,085,085,743,570.68
  5. Step 5: Solve for x
    x = 1,085,085,743,570.68/1,140,467.06
  6. Step 6: Final answer
    x = 951,439.79

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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.