Home / 1,621,275.70-2,237,321.45-886,196.98

Finding the Fourth Proportional to 1,621,275.70, 2,237,321.45 and 886,196.98

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Solution

The fourth proportional to 1,621,275.70, 2,237,321.45 and 886,196.98 is: 1,222,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,275.70 : 2,237,321.45 = 886,196.98 : x
  2. Step 2: Convert to fraction form
    1,621,275.70/2,237,321.45 = 886,196.98/x
  3. Step 3: Cross multiply
    1,621,275.70x = 2,237,321.45 × 886,196.98
  4. Step 4: Simplify right side
    1,621,275.70x = 1,982,707,496,661.63
  5. Step 5: Solve for x
    x = 1,982,707,496,661.63/1,621,275.70
  6. Step 6: Final answer
    x = 1,222,930.50

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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.