Home / 1,285,653-1,928,495.96-886,186.56

Finding the Fourth Proportional to 1,285,653, 1,928,495.96 and 886,186.56

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Solution

The fourth proportional to 1,285,653, 1,928,495.96 and 886,186.56 is: 1,329,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,653 : 1,928,495.96 = 886,186.56 : x
  2. Step 2: Convert to fraction form
    1,285,653/1,928,495.96 = 886,186.56/x
  3. Step 3: Cross multiply
    1,285,653x = 1,928,495.96 × 886,186.56
  4. Step 4: Simplify right side
    1,285,653x = 1,709,007,200,766.30
  5. Step 5: Solve for x
    x = 1,709,007,200,766.30/1,285,653
  6. Step 6: Final answer
    x = 1,329,291.19

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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.