Home / 1,098,101.30-1,643,944.35-783,173.30

Finding the Fourth Proportional to 1,098,101.30, 1,643,944.35 and 783,173.30

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Solution

The fourth proportional to 1,098,101.30, 1,643,944.35 and 783,173.30 is: 1,172,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,101.30 : 1,643,944.35 = 783,173.30 : x
  2. Step 2: Convert to fraction form
    1,098,101.30/1,643,944.35 = 783,173.30/x
  3. Step 3: Cross multiply
    1,098,101.30x = 1,643,944.35 × 783,173.30
  4. Step 4: Simplify right side
    1,098,101.30x = 1,287,493,321,605.86
  5. Step 5: Solve for x
    x = 1,287,493,321,605.86/1,098,101.30
  6. Step 6: Final answer
    x = 1,172,472.27

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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.