Home / 1,228,640.54-1,843,016.11-470,285.30

Finding the Fourth Proportional to 1,228,640.54, 1,843,016.11 and 470,285.30

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Solution

The fourth proportional to 1,228,640.54, 1,843,016.11 and 470,285.30 is: 705,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,640.54 : 1,843,016.11 = 470,285.30 : x
  2. Step 2: Convert to fraction form
    1,228,640.54/1,843,016.11 = 470,285.30/x
  3. Step 3: Cross multiply
    1,228,640.54x = 1,843,016.11 × 470,285.30
  4. Step 4: Simplify right side
    1,228,640.54x = 866,743,387,628.01
  5. Step 5: Solve for x
    x = 866,743,387,628.01/1,228,640.54
  6. Step 6: Final answer
    x = 705,449.12

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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.