Home / 1,215,183.80-1,822,819.44-456,955.76

Finding the Fourth Proportional to 1,215,183.80, 1,822,819.44 and 456,955.76

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Solution

The fourth proportional to 1,215,183.80, 1,822,819.44 and 456,955.76 is: 685,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,183.80 : 1,822,819.44 = 456,955.76 : x
  2. Step 2: Convert to fraction form
    1,215,183.80/1,822,819.44 = 456,955.76/x
  3. Step 3: Cross multiply
    1,215,183.80x = 1,822,819.44 × 456,955.76
  4. Step 4: Simplify right side
    1,215,183.80x = 832,947,842,547.97
  5. Step 5: Solve for x
    x = 832,947,842,547.97/1,215,183.80
  6. Step 6: Final answer
    x = 685,450.09

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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.